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Finding the Fourth Proportional to 169,457.72, 233,862.60 and 94,006.28

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Solution

The fourth proportional to 169,457.72, 233,862.60 and 94,006.28 is: 129,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,457.72 : 233,862.60 = 94,006.28 : x
  2. Step 2: Convert to fraction form
    169,457.72/233,862.60 = 94,006.28/x
  3. Step 3: Cross multiply
    169,457.72x = 233,862.60 × 94,006.28
  4. Step 4: Simplify right side
    169,457.72x = 21,984,553,057.13
  5. Step 5: Solve for x
    x = 21,984,553,057.13/169,457.72
  6. Step 6: Final answer
    x = 129,734.74

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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.