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Finding the Fourth Proportional to 161,952.57, 223,493.96 and 90,332.53

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Solution

The fourth proportional to 161,952.57, 223,493.96 and 90,332.53 is: 124,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,952.57 : 223,493.96 = 90,332.53 : x
  2. Step 2: Convert to fraction form
    161,952.57/223,493.96 = 90,332.53/x
  3. Step 3: Cross multiply
    161,952.57x = 223,493.96 × 90,332.53
  4. Step 4: Simplify right side
    161,952.57x = 20,188,775,179.42
  5. Step 5: Solve for x
    x = 20,188,775,179.42/161,952.57
  6. Step 6: Final answer
    x = 124,658.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.