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Finding the Fourth Proportional to 159,613.41, 239,490.64 and 83,693.82

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Solution

The fourth proportional to 159,613.41, 239,490.64 and 83,693.82 is: 125,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,613.41 : 239,490.64 = 83,693.82 : x
  2. Step 2: Convert to fraction form
    159,613.41/239,490.64 = 83,693.82/x
  3. Step 3: Cross multiply
    159,613.41x = 239,490.64 × 83,693.82
  4. Step 4: Simplify right side
    159,613.41x = 20,043,887,518.55
  5. Step 5: Solve for x
    x = 20,043,887,518.55/159,613.41
  6. Step 6: Final answer
    x = 125,577.71

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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.