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Finding the Fourth Proportional to 110,751.62, 165,854.19 and 63,248.90

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Solution

The fourth proportional to 110,751.62, 165,854.19 and 63,248.90 is: 94,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,751.62 : 165,854.19 = 63,248.90 : x
  2. Step 2: Convert to fraction form
    110,751.62/165,854.19 = 63,248.90/x
  3. Step 3: Cross multiply
    110,751.62x = 165,854.19 × 63,248.90
  4. Step 4: Simplify right side
    110,751.62x = 10,490,095,077.89
  5. Step 5: Solve for x
    x = 10,490,095,077.89/110,751.62
  6. Step 6: Final answer
    x = 94,717.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.