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Finding the Fourth Proportional to 96,618.20, 144,927.30 and 40,448.60

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Solution

The fourth proportional to 96,618.20, 144,927.30 and 40,448.60 is: 60,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,618.20 : 144,927.30 = 40,448.60 : x
  2. Step 2: Convert to fraction form
    96,618.20/144,927.30 = 40,448.60/x
  3. Step 3: Cross multiply
    96,618.20x = 144,927.30 × 40,448.60
  4. Step 4: Simplify right side
    96,618.20x = 5,862,106,386.78
  5. Step 5: Solve for x
    x = 5,862,106,386.78/96,618.20
  6. Step 6: Final answer
    x = 60,672.90

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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.