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Finding the Fourth Proportional to 63,078.90, 87,044.94 and 36,202.50

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Solution

The fourth proportional to 63,078.90, 87,044.94 and 36,202.50 is: 49,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,078.90 : 87,044.94 = 36,202.50 : x
  2. Step 2: Convert to fraction form
    63,078.90/87,044.94 = 36,202.50/x
  3. Step 3: Cross multiply
    63,078.90x = 87,044.94 × 36,202.50
  4. Step 4: Simplify right side
    63,078.90x = 3,151,244,440.35
  5. Step 5: Solve for x
    x = 3,151,244,440.35/63,078.90
  6. Step 6: Final answer
    x = 49,957.19

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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.