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Finding the Fourth Proportional to 63,154.60, 87,152.10 and 34,861.48

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Solution

The fourth proportional to 63,154.60, 87,152.10 and 34,861.48 is: 48,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.60 : 87,152.10 = 34,861.48 : x
  2. Step 2: Convert to fraction form
    63,154.60/87,152.10 = 34,861.48/x
  3. Step 3: Cross multiply
    63,154.60x = 87,152.10 × 34,861.48
  4. Step 4: Simplify right side
    63,154.60x = 3,038,251,191.11
  5. Step 5: Solve for x
    x = 3,038,251,191.11/63,154.60
  6. Step 6: Final answer
    x = 48,108.15

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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.