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Finding the Fourth Proportional to 181,978,432.90, 272,967,649.35 and 113,103,679.30

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Solution

The fourth proportional to 181,978,432.90, 272,967,649.35 and 113,103,679.30 is: 169,655,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,978,432.90 : 272,967,649.35 = 113,103,679.30 : x
  2. Step 2: Convert to fraction form
    181,978,432.90/272,967,649.35 = 113,103,679.30/x
  3. Step 3: Cross multiply
    181,978,432.90x = 272,967,649.35 × 113,103,679.30
  4. Step 4: Simplify right side
    181,978,432.90x = 30,873,645,471,357,256
  5. Step 5: Solve for x
    x = 30,873,645,471,357,256/181,978,432.90
  6. Step 6: Final answer
    x = 169,655,518.95

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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.