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Finding the Fourth Proportional to 79,840.86, 119,654.88 and 37,732.12

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Solution

The fourth proportional to 79,840.86, 119,654.88 and 37,732.12 is: 56,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,840.86 : 119,654.88 = 37,732.12 : x
  2. Step 2: Convert to fraction form
    79,840.86/119,654.88 = 37,732.12/x
  3. Step 3: Cross multiply
    79,840.86x = 119,654.88 × 37,732.12
  4. Step 4: Simplify right side
    79,840.86x = 4,514,832,290.75
  5. Step 5: Solve for x
    x = 4,514,832,290.75/79,840.86
  6. Step 6: Final answer
    x = 56,547.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.