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Finding the Fourth Proportional to 268,753.71, 370,870.82 and 147,883.70

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Solution

The fourth proportional to 268,753.71, 370,870.82 and 147,883.70 is: 204,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,753.71 : 370,870.82 = 147,883.70 : x
  2. Step 2: Convert to fraction form
    268,753.71/370,870.82 = 147,883.70/x
  3. Step 3: Cross multiply
    268,753.71x = 370,870.82 × 147,883.70
  4. Step 4: Simplify right side
    268,753.71x = 54,845,747,598.99
  5. Step 5: Solve for x
    x = 54,845,747,598.99/268,753.71
  6. Step 6: Final answer
    x = 204,074.38

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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.