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Finding the Fourth Proportional to 123,658.20, 185,492.70 and 40,552.20

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Solution

The fourth proportional to 123,658.20, 185,492.70 and 40,552.20 is: 60,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,658.20 : 185,492.70 = 40,552.20 : x
  2. Step 2: Convert to fraction form
    123,658.20/185,492.70 = 40,552.20/x
  3. Step 3: Cross multiply
    123,658.20x = 185,492.70 × 40,552.20
  4. Step 4: Simplify right side
    123,658.20x = 7,522,137,068.94
  5. Step 5: Solve for x
    x = 7,522,137,068.94/123,658.20
  6. Step 6: Final answer
    x = 60,830.07

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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.