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Finding the Fourth Proportional to 261,520.92, 360,765 and 170,929.98

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Solution

The fourth proportional to 261,520.92, 360,765 and 170,929.98 is: 235,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,520.92 : 360,765 = 170,929.98 : x
  2. Step 2: Convert to fraction form
    261,520.92/360,765 = 170,929.98/x
  3. Step 3: Cross multiply
    261,520.92x = 360,765 × 170,929.98
  4. Step 4: Simplify right side
    261,520.92x = 61,665,554,234.70
  5. Step 5: Solve for x
    x = 61,665,554,234.70/261,520.92
  6. Step 6: Final answer
    x = 235,795.88

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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.