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Finding the Fourth Proportional to 63,979.90, 88,209.81 and 43,802.02

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Solution

The fourth proportional to 63,979.90, 88,209.81 and 43,802.02 is: 60,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.90 : 88,209.81 = 43,802.02 : x
  2. Step 2: Convert to fraction form
    63,979.90/88,209.81 = 43,802.02/x
  3. Step 3: Cross multiply
    63,979.90x = 88,209.81 × 43,802.02
  4. Step 4: Simplify right side
    63,979.90x = 3,863,767,861.82
  5. Step 5: Solve for x
    x = 3,863,767,861.82/63,979.90
  6. Step 6: Final answer
    x = 60,390.34

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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.