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Finding the Fourth Proportional to 170,366.61, 235,102.74 and 93,892.79

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Solution

The fourth proportional to 170,366.61, 235,102.74 and 93,892.79 is: 129,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,366.61 : 235,102.74 = 93,892.79 : x
  2. Step 2: Convert to fraction form
    170,366.61/235,102.74 = 93,892.79/x
  3. Step 3: Cross multiply
    170,366.61x = 235,102.74 × 93,892.79
  4. Step 4: Simplify right side
    170,366.61x = 22,074,451,019.73
  5. Step 5: Solve for x
    x = 22,074,451,019.73/170,366.61
  6. Step 6: Final answer
    x = 129,570.29

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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.