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Finding the Fourth Proportional to 63,854.43, 88,108.56 and 38,703.93

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Solution

The fourth proportional to 63,854.43, 88,108.56 and 38,703.93 is: 53,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,854.43 : 88,108.56 = 38,703.93 : x
  2. Step 2: Convert to fraction form
    63,854.43/88,108.56 = 38,703.93/x
  3. Step 3: Cross multiply
    63,854.43x = 88,108.56 × 38,703.93
  4. Step 4: Simplify right side
    63,854.43x = 3,410,147,208.23
  5. Step 5: Solve for x
    x = 3,410,147,208.23/63,854.43
  6. Step 6: Final answer
    x = 53,405.02

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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.