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Finding the Fourth Proportional to 63,156.54, 87,156.63 and 34,861.62

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Solution

The fourth proportional to 63,156.54, 87,156.63 and 34,861.62 is: 48,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.54 : 87,156.63 = 34,861.62 : x
  2. Step 2: Convert to fraction form
    63,156.54/87,156.63 = 34,861.62/x
  3. Step 3: Cross multiply
    63,156.54x = 87,156.63 × 34,861.62
  4. Step 4: Simplify right side
    63,156.54x = 3,038,421,315.54
  5. Step 5: Solve for x
    x = 3,038,421,315.54/63,156.54
  6. Step 6: Final answer
    x = 48,109.37

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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.