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Finding the Fourth Proportional to 169,459.70, 233,854.49 and 94,008.20

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Solution

The fourth proportional to 169,459.70, 233,854.49 and 94,008.20 is: 129,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,459.70 : 233,854.49 = 94,008.20 : x
  2. Step 2: Convert to fraction form
    169,459.70/233,854.49 = 94,008.20/x
  3. Step 3: Cross multiply
    169,459.70x = 233,854.49 × 94,008.20
  4. Step 4: Simplify right side
    169,459.70x = 21,984,238,732.57
  5. Step 5: Solve for x
    x = 21,984,238,732.57/169,459.70
  6. Step 6: Final answer
    x = 129,731.37

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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.