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Finding the Fourth Proportional to 131,750.01, 197,630.48 and 38,255.76

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Solution

The fourth proportional to 131,750.01, 197,630.48 and 38,255.76 is: 57,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,750.01 : 197,630.48 = 38,255.76 : x
  2. Step 2: Convert to fraction form
    131,750.01/197,630.48 = 38,255.76/x
  3. Step 3: Cross multiply
    131,750.01x = 197,630.48 × 38,255.76
  4. Step 4: Simplify right side
    131,750.01x = 7,560,504,307.20
  5. Step 5: Solve for x
    x = 7,560,504,307.20/131,750.01
  6. Step 6: Final answer
    x = 57,385.23

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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.