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Finding the Fourth Proportional to 242,562.90, 363,779.55 and 74,082.90

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Solution

The fourth proportional to 242,562.90, 363,779.55 and 74,082.90 is: 111,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,562.90 : 363,779.55 = 74,082.90 : x
  2. Step 2: Convert to fraction form
    242,562.90/363,779.55 = 74,082.90/x
  3. Step 3: Cross multiply
    242,562.90x = 363,779.55 × 74,082.90
  4. Step 4: Simplify right side
    242,562.90x = 26,949,844,024.70
  5. Step 5: Solve for x
    x = 26,949,844,024.70/242,562.90
  6. Step 6: Final answer
    x = 111,104.56

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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.