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Finding the Fourth Proportional to 366,161.70, 549,301.81 and 113,382.78

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Solution

The fourth proportional to 366,161.70, 549,301.81 and 113,382.78 is: 170,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,161.70 : 549,301.81 = 113,382.78 : x
  2. Step 2: Convert to fraction form
    366,161.70/549,301.81 = 113,382.78/x
  3. Step 3: Cross multiply
    366,161.70x = 549,301.81 × 113,382.78
  4. Step 4: Simplify right side
    366,161.70x = 62,281,366,276.83
  5. Step 5: Solve for x
    x = 62,281,366,276.83/366,161.70
  6. Step 6: Final answer
    x = 170,092.52

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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.