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Finding the Fourth Proportional to 182,406.67, 251,723.69 and 100,740.42

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Solution

The fourth proportional to 182,406.67, 251,723.69 and 100,740.42 is: 139,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,406.67 : 251,723.69 = 100,740.42 : x
  2. Step 2: Convert to fraction form
    182,406.67/251,723.69 = 100,740.42/x
  3. Step 3: Cross multiply
    182,406.67x = 251,723.69 × 100,740.42
  4. Step 4: Simplify right side
    182,406.67x = 25,358,750,254.55
  5. Step 5: Solve for x
    x = 25,358,750,254.55/182,406.67
  6. Step 6: Final answer
    x = 139,023.15

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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.