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Finding the Fourth Proportional to 160,562.70, 240,774.30 and 85,666.17

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Solution

The fourth proportional to 160,562.70, 240,774.30 and 85,666.17 is: 128,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,562.70 : 240,774.30 = 85,666.17 : x
  2. Step 2: Convert to fraction form
    160,562.70/240,774.30 = 85,666.17/x
  3. Step 3: Cross multiply
    160,562.70x = 240,774.30 × 85,666.17
  4. Step 4: Simplify right side
    160,562.70x = 20,626,212,115.43
  5. Step 5: Solve for x
    x = 20,626,212,115.43/160,562.70
  6. Step 6: Final answer
    x = 128,462.04

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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.