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Finding the Fourth Proportional to 83,634.93, 115,404.01 and 47,818.01

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Solution

The fourth proportional to 83,634.93, 115,404.01 and 47,818.01 is: 65,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.93 : 115,404.01 = 47,818.01 : x
  2. Step 2: Convert to fraction form
    83,634.93/115,404.01 = 47,818.01/x
  3. Step 3: Cross multiply
    83,634.93x = 115,404.01 × 47,818.01
  4. Step 4: Simplify right side
    83,634.93x = 5,518,390,273.19
  5. Step 5: Solve for x
    x = 5,518,390,273.19/83,634.93
  6. Step 6: Final answer
    x = 65,981.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.