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Finding the Fourth Proportional to 169,842.24, 234,385.92 and 94,389.12

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Solution

The fourth proportional to 169,842.24, 234,385.92 and 94,389.12 is: 130,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,842.24 : 234,385.92 = 94,389.12 : x
  2. Step 2: Convert to fraction form
    169,842.24/234,385.92 = 94,389.12/x
  3. Step 3: Cross multiply
    169,842.24x = 234,385.92 × 94,389.12
  4. Step 4: Simplify right side
    169,842.24x = 22,123,480,729.19
  5. Step 5: Solve for x
    x = 22,123,480,729.19/169,842.24
  6. Step 6: Final answer
    x = 130,259.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.