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Finding the Fourth Proportional to 101,952,000.40, 152,928,000.60 and 90,804,326.80

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Solution

The fourth proportional to 101,952,000.40, 152,928,000.60 and 90,804,326.80 is: 136,206,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,952,000.40 : 152,928,000.60 = 90,804,326.80 : x
  2. Step 2: Convert to fraction form
    101,952,000.40/152,928,000.60 = 90,804,326.80/x
  3. Step 3: Cross multiply
    101,952,000.40x = 152,928,000.60 × 90,804,326.80
  4. Step 4: Simplify right side
    101,952,000.40x = 13,886,524,143,352,996
  5. Step 5: Solve for x
    x = 13,886,524,143,352,996/101,952,000.40
  6. Step 6: Final answer
    x = 136,206,490.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.