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Finding the Fourth Proportional to 243,488.20, 365,266.86 and 75,022.20

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Solution

The fourth proportional to 243,488.20, 365,266.86 and 75,022.20 is: 112,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,488.20 : 365,266.86 = 75,022.20 : x
  2. Step 2: Convert to fraction form
    243,488.20/365,266.86 = 75,022.20/x
  3. Step 3: Cross multiply
    243,488.20x = 365,266.86 × 75,022.20
  4. Step 4: Simplify right side
    243,488.20x = 27,403,123,424.29
  5. Step 5: Solve for x
    x = 27,403,123,424.29/243,488.20
  6. Step 6: Final answer
    x = 112,543.95

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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.