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Finding the Fourth Proportional to 173,663, 260,491.65 and 55,332.73

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Solution

The fourth proportional to 173,663, 260,491.65 and 55,332.73 is: 82,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,663 : 260,491.65 = 55,332.73 : x
  2. Step 2: Convert to fraction form
    173,663/260,491.65 = 55,332.73/x
  3. Step 3: Cross multiply
    173,663x = 260,491.65 × 55,332.73
  4. Step 4: Simplify right side
    173,663x = 14,413,714,136.70
  5. Step 5: Solve for x
    x = 14,413,714,136.70/173,663
  6. Step 6: Final answer
    x = 82,998.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.