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Finding the Fourth Proportional to 63,223.97, 87,248.06 and 34,543.01

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Solution

The fourth proportional to 63,223.97, 87,248.06 and 34,543.01 is: 47,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,223.97 : 87,248.06 = 34,543.01 : x
  2. Step 2: Convert to fraction form
    63,223.97/87,248.06 = 34,543.01/x
  3. Step 3: Cross multiply
    63,223.97x = 87,248.06 × 34,543.01
  4. Step 4: Simplify right side
    63,223.97x = 3,013,810,949.00
  5. Step 5: Solve for x
    x = 3,013,810,949.00/63,223.97
  6. Step 6: Final answer
    x = 47,668.80

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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.