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Finding the Fourth Proportional to 348,359.50, 522,627 and 99,041.50

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Solution

The fourth proportional to 348,359.50, 522,627 and 99,041.50 is: 148,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,359.50 : 522,627 = 99,041.50 : x
  2. Step 2: Convert to fraction form
    348,359.50/522,627 = 99,041.50/x
  3. Step 3: Cross multiply
    348,359.50x = 522,627 × 99,041.50
  4. Step 4: Simplify right side
    348,359.50x = 51,761,762,020.50
  5. Step 5: Solve for x
    x = 51,761,762,020.50/348,359.50
  6. Step 6: Final answer
    x = 148,587.20

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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.