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Finding the Fourth Proportional to 120,842.70, 181,264.05 and 41,948.70

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Solution

The fourth proportional to 120,842.70, 181,264.05 and 41,948.70 is: 62,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,842.70 : 181,264.05 = 41,948.70 : x
  2. Step 2: Convert to fraction form
    120,842.70/181,264.05 = 41,948.70/x
  3. Step 3: Cross multiply
    120,842.70x = 181,264.05 × 41,948.70
  4. Step 4: Simplify right side
    120,842.70x = 7,603,791,254.24
  5. Step 5: Solve for x
    x = 7,603,791,254.24/120,842.70
  6. Step 6: Final answer
    x = 62,923.05

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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.