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Finding the Fourth Proportional to 63,773.69, 88,129.07 and 47,830.46

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Solution

The fourth proportional to 63,773.69, 88,129.07 and 47,830.46 is: 66,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,773.69 : 88,129.07 = 47,830.46 : x
  2. Step 2: Convert to fraction form
    63,773.69/88,129.07 = 47,830.46/x
  3. Step 3: Cross multiply
    63,773.69x = 88,129.07 × 47,830.46
  4. Step 4: Simplify right side
    63,773.69x = 4,215,254,221.81
  5. Step 5: Solve for x
    x = 4,215,254,221.81/63,773.69
  6. Step 6: Final answer
    x = 66,097.07

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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.