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Finding the Fourth Proportional to 156,756.48, 216,385.98 and 109,037.52

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Solution

The fourth proportional to 156,756.48, 216,385.98 and 109,037.52 is: 150,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,756.48 : 216,385.98 = 109,037.52 : x
  2. Step 2: Convert to fraction form
    156,756.48/216,385.98 = 109,037.52/x
  3. Step 3: Cross multiply
    156,756.48x = 216,385.98 × 109,037.52
  4. Step 4: Simplify right side
    156,756.48x = 23,594,190,621.97
  5. Step 5: Solve for x
    x = 23,594,190,621.97/156,756.48
  6. Step 6: Final answer
    x = 150,514.93

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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.