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Finding the Fourth Proportional to 169,781.96, 234,294.90 and 94,330.64

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Solution

The fourth proportional to 169,781.96, 234,294.90 and 94,330.64 is: 130,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,781.96 : 234,294.90 = 94,330.64 : x
  2. Step 2: Convert to fraction form
    169,781.96/234,294.90 = 94,330.64/x
  3. Step 3: Cross multiply
    169,781.96x = 234,294.90 × 94,330.64
  4. Step 4: Simplify right side
    169,781.96x = 22,101,187,865.74
  5. Step 5: Solve for x
    x = 22,101,187,865.74/169,781.96
  6. Step 6: Final answer
    x = 130,173.95

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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.