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Finding the Fourth Proportional to 104,637.52, 156,917.40 and 34,498

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Solution

The fourth proportional to 104,637.52, 156,917.40 and 34,498 is: 51,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.52 : 156,917.40 = 34,498 : x
  2. Step 2: Convert to fraction form
    104,637.52/156,917.40 = 34,498/x
  3. Step 3: Cross multiply
    104,637.52x = 156,917.40 × 34,498
  4. Step 4: Simplify right side
    104,637.52x = 5,413,336,465.20
  5. Step 5: Solve for x
    x = 5,413,336,465.20/104,637.52
  6. Step 6: Final answer
    x = 51,734.18

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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.