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Finding the Fourth Proportional to 63,652.03, 87,160.76 and 61,142.45

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Solution

The fourth proportional to 63,652.03, 87,160.76 and 61,142.45 is: 83,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,652.03 : 87,160.76 = 61,142.45 : x
  2. Step 2: Convert to fraction form
    63,652.03/87,160.76 = 61,142.45/x
  3. Step 3: Cross multiply
    63,652.03x = 87,160.76 × 61,142.45
  4. Step 4: Simplify right side
    63,652.03x = 5,329,221,898.03
  5. Step 5: Solve for x
    x = 5,329,221,898.03/63,652.03
  6. Step 6: Final answer
    x = 83,724.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.