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Finding the Fourth Proportional to 134,341.20, 201,220.20 and 111,013.20

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Solution

The fourth proportional to 134,341.20, 201,220.20 and 111,013.20 is: 166,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,341.20 : 201,220.20 = 111,013.20 : x
  2. Step 2: Convert to fraction form
    134,341.20/201,220.20 = 111,013.20/x
  3. Step 3: Cross multiply
    134,341.20x = 201,220.20 × 111,013.20
  4. Step 4: Simplify right side
    134,341.20x = 22,338,098,306.64
  5. Step 5: Solve for x
    x = 22,338,098,306.64/134,341.20
  6. Step 6: Final answer
    x = 166,278.84

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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.