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Finding the Fourth Proportional to 156,560.57, 216,039.03 and 88,582.68

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Solution

The fourth proportional to 156,560.57, 216,039.03 and 88,582.68 is: 122,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,560.57 : 216,039.03 = 88,582.68 : x
  2. Step 2: Convert to fraction form
    156,560.57/216,039.03 = 88,582.68/x
  3. Step 3: Cross multiply
    156,560.57x = 216,039.03 × 88,582.68
  4. Step 4: Simplify right side
    156,560.57x = 19,137,316,262.00
  5. Step 5: Solve for x
    x = 19,137,316,262.00/156,560.57
  6. Step 6: Final answer
    x = 122,235.87

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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.