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Finding the Fourth Proportional to 261,841.76, 361,332.18 and 160,037.60

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Solution

The fourth proportional to 261,841.76, 361,332.18 and 160,037.60 is: 220,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,841.76 : 361,332.18 = 160,037.60 : x
  2. Step 2: Convert to fraction form
    261,841.76/361,332.18 = 160,037.60/x
  3. Step 3: Cross multiply
    261,841.76x = 361,332.18 × 160,037.60
  4. Step 4: Simplify right side
    261,841.76x = 57,826,734,889.97
  5. Step 5: Solve for x
    x = 57,826,734,889.97/261,841.76
  6. Step 6: Final answer
    x = 220,846.11

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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.