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Finding the Fourth Proportional to 141,663.61, 195,436.13 and 93,833.92

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Solution

The fourth proportional to 141,663.61, 195,436.13 and 93,833.92 is: 129,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,663.61 : 195,436.13 = 93,833.92 : x
  2. Step 2: Convert to fraction form
    141,663.61/195,436.13 = 93,833.92/x
  3. Step 3: Cross multiply
    141,663.61x = 195,436.13 × 93,833.92
  4. Step 4: Simplify right side
    141,663.61x = 18,338,537,808.85
  5. Step 5: Solve for x
    x = 18,338,537,808.85/141,663.61
  6. Step 6: Final answer
    x = 129,451.30

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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.