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Finding the Fourth Proportional to 63,158.60, 87,160.74 and 34,866.12

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Solution

The fourth proportional to 63,158.60, 87,160.74 and 34,866.12 is: 48,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,158.60 : 87,160.74 = 34,866.12 : x
  2. Step 2: Convert to fraction form
    63,158.60/87,160.74 = 34,866.12/x
  3. Step 3: Cross multiply
    63,158.60x = 87,160.74 × 34,866.12
  4. Step 4: Simplify right side
    63,158.60x = 3,038,956,820.13
  5. Step 5: Solve for x
    x = 3,038,956,820.13/63,158.60
  6. Step 6: Final answer
    x = 48,116.28

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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.