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Finding the Fourth Proportional to 148,220.40, 222,359.40 and 63,980.40

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Solution

The fourth proportional to 148,220.40, 222,359.40 and 63,980.40 is: 95,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,220.40 : 222,359.40 = 63,980.40 : x
  2. Step 2: Convert to fraction form
    148,220.40/222,359.40 = 63,980.40/x
  3. Step 3: Cross multiply
    148,220.40x = 222,359.40 × 63,980.40
  4. Step 4: Simplify right side
    148,220.40x = 14,226,643,355.76
  5. Step 5: Solve for x
    x = 14,226,643,355.76/148,220.40
  6. Step 6: Final answer
    x = 95,983.03

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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.