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Finding the Fourth Proportional to 98,546.01, 147,278.97 and 71,948.01

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Solution

The fourth proportional to 98,546.01, 147,278.97 and 71,948.01 is: 107,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,546.01 : 147,278.97 = 71,948.01 : x
  2. Step 2: Convert to fraction form
    98,546.01/147,278.97 = 71,948.01/x
  3. Step 3: Cross multiply
    98,546.01x = 147,278.97 × 71,948.01
  4. Step 4: Simplify right side
    98,546.01x = 10,596,428,806.35
  5. Step 5: Solve for x
    x = 10,596,428,806.35/98,546.01
  6. Step 6: Final answer
    x = 107,527.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.