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Finding the Fourth Proportional to 107,042.78, 147,717.06 and 59,295.08

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Solution

The fourth proportional to 107,042.78, 147,717.06 and 59,295.08 is: 81,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,042.78 : 147,717.06 = 59,295.08 : x
  2. Step 2: Convert to fraction form
    107,042.78/147,717.06 = 59,295.08/x
  3. Step 3: Cross multiply
    107,042.78x = 147,717.06 × 59,295.08
  4. Step 4: Simplify right side
    107,042.78x = 8,758,894,890.06
  5. Step 5: Solve for x
    x = 8,758,894,890.06/107,042.78
  6. Step 6: Final answer
    x = 81,826.12

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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.