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Finding the Fourth Proportional to 148,138.69, 222,332.48 and 63,962.48

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Solution

The fourth proportional to 148,138.69, 222,332.48 and 63,962.48 is: 95,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,138.69 : 222,332.48 = 63,962.48 : x
  2. Step 2: Convert to fraction form
    148,138.69/222,332.48 = 63,962.48/x
  3. Step 3: Cross multiply
    148,138.69x = 222,332.48 × 63,962.48
  4. Step 4: Simplify right side
    148,138.69x = 14,220,936,805.35
  5. Step 5: Solve for x
    x = 14,220,936,805.35/148,138.69
  6. Step 6: Final answer
    x = 95,997.45

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1.5x scale

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.