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Finding the Fourth Proportional to 348,103.80, 522,192.15 and 148,445.28

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Solution

The fourth proportional to 348,103.80, 522,192.15 and 148,445.28 is: 222,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,103.80 : 522,192.15 = 148,445.28 : x
  2. Step 2: Convert to fraction form
    348,103.80/522,192.15 = 148,445.28/x
  3. Step 3: Cross multiply
    348,103.80x = 522,192.15 × 148,445.28
  4. Step 4: Simplify right side
    348,103.80x = 77,516,959,920.55
  5. Step 5: Solve for x
    x = 77,516,959,920.55/348,103.80
  6. Step 6: Final answer
    x = 222,683.46

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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.