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Finding the Fourth Proportional to 169,487.68, 233,892.48 and 94,043.20

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Solution

The fourth proportional to 169,487.68, 233,892.48 and 94,043.20 is: 129,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,487.68 : 233,892.48 = 94,043.20 : x
  2. Step 2: Convert to fraction form
    169,487.68/233,892.48 = 94,043.20/x
  3. Step 3: Cross multiply
    169,487.68x = 233,892.48 × 94,043.20
  4. Step 4: Simplify right side
    169,487.68x = 21,995,997,275.14
  5. Step 5: Solve for x
    x = 21,995,997,275.14/169,487.68
  6. Step 6: Final answer
    x = 129,779.33

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1.5x scale

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.