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Finding the Fourth Proportional to 191,613.96, 287,420.96 and 58,494.92

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Solution

The fourth proportional to 191,613.96, 287,420.96 and 58,494.92 is: 87,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,613.96 : 287,420.96 = 58,494.92 : x
  2. Step 2: Convert to fraction form
    191,613.96/287,420.96 = 58,494.92/x
  3. Step 3: Cross multiply
    191,613.96x = 287,420.96 × 58,494.92
  4. Step 4: Simplify right side
    191,613.96x = 16,812,666,061.52
  5. Step 5: Solve for x
    x = 16,812,666,061.52/191,613.96
  6. Step 6: Final answer
    x = 87,742.39

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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.