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Finding the Fourth Proportional to 63,155.68, 87,155.55 and 34,861.36

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Solution

The fourth proportional to 63,155.68, 87,155.55 and 34,861.36 is: 48,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155.68 : 87,155.55 = 34,861.36 : x
  2. Step 2: Convert to fraction form
    63,155.68/87,155.55 = 34,861.36/x
  3. Step 3: Cross multiply
    63,155.68x = 87,155.55 × 34,861.36
  4. Step 4: Simplify right side
    63,155.68x = 3,038,361,004.55
  5. Step 5: Solve for x
    x = 3,038,361,004.55/63,155.68
  6. Step 6: Final answer
    x = 48,109.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.