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Finding the Fourth Proportional to 148,384.80, 222,431.40 and 132,638.40

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Solution

The fourth proportional to 148,384.80, 222,431.40 and 132,638.40 is: 198,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,384.80 : 222,431.40 = 132,638.40 : x
  2. Step 2: Convert to fraction form
    148,384.80/222,431.40 = 132,638.40/x
  3. Step 3: Cross multiply
    148,384.80x = 222,431.40 × 132,638.40
  4. Step 4: Simplify right side
    148,384.80x = 29,502,945,005.76
  5. Step 5: Solve for x
    x = 29,502,945,005.76/148,384.80
  6. Step 6: Final answer
    x = 198,827.27

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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.