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Finding the Fourth Proportional to 101,011.20, 151,502.40 and 34,454.40

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Solution

The fourth proportional to 101,011.20, 151,502.40 and 34,454.40 is: 51,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,011.20 : 151,502.40 = 34,454.40 : x
  2. Step 2: Convert to fraction form
    101,011.20/151,502.40 = 34,454.40/x
  3. Step 3: Cross multiply
    101,011.20x = 151,502.40 × 34,454.40
  4. Step 4: Simplify right side
    101,011.20x = 5,219,924,290.56
  5. Step 5: Solve for x
    x = 5,219,924,290.56/101,011.20
  6. Step 6: Final answer
    x = 51,676.69

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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.