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Finding the Fourth Proportional to 153,952.80, 230,896.80 and 65,209.20

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Solution

The fourth proportional to 153,952.80, 230,896.80 and 65,209.20 is: 97,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,952.80 : 230,896.80 = 65,209.20 : x
  2. Step 2: Convert to fraction form
    153,952.80/230,896.80 = 65,209.20/x
  3. Step 3: Cross multiply
    153,952.80x = 230,896.80 × 65,209.20
  4. Step 4: Simplify right side
    153,952.80x = 15,056,595,610.56
  5. Step 5: Solve for x
    x = 15,056,595,610.56/153,952.80
  6. Step 6: Final answer
    x = 97,800.08

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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.