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Finding the Fourth Proportional to 151,998.93, 209,729.66 and 95,384.79

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Solution

The fourth proportional to 151,998.93, 209,729.66 and 95,384.79 is: 131,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,998.93 : 209,729.66 = 95,384.79 : x
  2. Step 2: Convert to fraction form
    151,998.93/209,729.66 = 95,384.79/x
  3. Step 3: Cross multiply
    151,998.93x = 209,729.66 × 95,384.79
  4. Step 4: Simplify right side
    151,998.93x = 20,005,019,098.95
  5. Step 5: Solve for x
    x = 20,005,019,098.95/151,998.93
  6. Step 6: Final answer
    x = 131,612.89

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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.