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Finding the Fourth Proportional to 146,139.71, 201,651.17 and 88,749.18

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Solution

The fourth proportional to 146,139.71, 201,651.17 and 88,749.18 is: 122,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139.71 : 201,651.17 = 88,749.18 : x
  2. Step 2: Convert to fraction form
    146,139.71/201,651.17 = 88,749.18/x
  3. Step 3: Cross multiply
    146,139.71x = 201,651.17 × 88,749.18
  4. Step 4: Simplify right side
    146,139.71x = 17,896,375,539.79
  5. Step 5: Solve for x
    x = 17,896,375,539.79/146,139.71
  6. Step 6: Final answer
    x = 122,460.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.