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Finding the Fourth Proportional to 310,082.20, 465,123.30 and 110,627.80

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Solution

The fourth proportional to 310,082.20, 465,123.30 and 110,627.80 is: 165,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,082.20 : 465,123.30 = 110,627.80 : x
  2. Step 2: Convert to fraction form
    310,082.20/465,123.30 = 110,627.80/x
  3. Step 3: Cross multiply
    310,082.20x = 465,123.30 × 110,627.80
  4. Step 4: Simplify right side
    310,082.20x = 51,455,567,407.74
  5. Step 5: Solve for x
    x = 51,455,567,407.74/310,082.20
  6. Step 6: Final answer
    x = 165,941.70

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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.