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Finding the Fourth Proportional to 93,976.57, 129,695.15 and 53,149.30

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Solution

The fourth proportional to 93,976.57, 129,695.15 and 53,149.30 is: 73,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,976.57 : 129,695.15 = 53,149.30 : x
  2. Step 2: Convert to fraction form
    93,976.57/129,695.15 = 53,149.30/x
  3. Step 3: Cross multiply
    93,976.57x = 129,695.15 × 53,149.30
  4. Step 4: Simplify right side
    93,976.57x = 6,893,205,521.67
  5. Step 5: Solve for x
    x = 6,893,205,521.67/93,976.57
  6. Step 6: Final answer
    x = 73,350.26

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1.5x scale

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.