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Finding the Fourth Proportional to 181,185.76, 250,034.96 and 99,513.12

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Solution

The fourth proportional to 181,185.76, 250,034.96 and 99,513.12 is: 137,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,185.76 : 250,034.96 = 99,513.12 : x
  2. Step 2: Convert to fraction form
    181,185.76/250,034.96 = 99,513.12/x
  3. Step 3: Cross multiply
    181,185.76x = 250,034.96 × 99,513.12
  4. Step 4: Simplify right side
    181,185.76x = 24,881,758,978.68
  5. Step 5: Solve for x
    x = 24,881,758,978.68/181,185.76
  6. Step 6: Final answer
    x = 137,327.34

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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.