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Finding the Fourth Proportional to 354,807.20, 532,295.85 and 118,151.93

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Solution

The fourth proportional to 354,807.20, 532,295.85 and 118,151.93 is: 177,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,807.20 : 532,295.85 = 118,151.93 : x
  2. Step 2: Convert to fraction form
    354,807.20/532,295.85 = 118,151.93/x
  3. Step 3: Cross multiply
    354,807.20x = 532,295.85 × 118,151.93
  4. Step 4: Simplify right side
    354,807.20x = 62,891,782,008.49
  5. Step 5: Solve for x
    x = 62,891,782,008.49/354,807.20
  6. Step 6: Final answer
    x = 177,256.22

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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.