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Finding the Fourth Proportional to 101,437.80, 152,156.70 and 94,828.20

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Solution

The fourth proportional to 101,437.80, 152,156.70 and 94,828.20 is: 142,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,437.80 : 152,156.70 = 94,828.20 : x
  2. Step 2: Convert to fraction form
    101,437.80/152,156.70 = 94,828.20/x
  3. Step 3: Cross multiply
    101,437.80x = 152,156.70 × 94,828.20
  4. Step 4: Simplify right side
    101,437.80x = 14,428,745,978.94
  5. Step 5: Solve for x
    x = 14,428,745,978.94/101,437.80
  6. Step 6: Final answer
    x = 142,242.30

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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.