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Finding the Fourth Proportional to 123,398.70, 185,117.49 and 44,532.24

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Solution

The fourth proportional to 123,398.70, 185,117.49 and 44,532.24 is: 66,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,398.70 : 185,117.49 = 44,532.24 : x
  2. Step 2: Convert to fraction form
    123,398.70/185,117.49 = 44,532.24/x
  3. Step 3: Cross multiply
    123,398.70x = 185,117.49 × 44,532.24
  4. Step 4: Simplify right side
    123,398.70x = 8,243,696,492.88
  5. Step 5: Solve for x
    x = 8,243,696,492.88/123,398.70
  6. Step 6: Final answer
    x = 66,805.38

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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.