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Finding the Fourth Proportional to 181,411.90, 272,117.85 and 161,367.10

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Solution

The fourth proportional to 181,411.90, 272,117.85 and 161,367.10 is: 242,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,411.90 : 272,117.85 = 161,367.10 : x
  2. Step 2: Convert to fraction form
    181,411.90/272,117.85 = 161,367.10/x
  3. Step 3: Cross multiply
    181,411.90x = 272,117.85 × 161,367.10
  4. Step 4: Simplify right side
    181,411.90x = 43,910,868,312.74
  5. Step 5: Solve for x
    x = 43,910,868,312.74/181,411.90
  6. Step 6: Final answer
    x = 242,050.65

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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.