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Finding the Fourth Proportional to 268,388.40, 370,371.84 and 147,527.10

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Solution

The fourth proportional to 268,388.40, 370,371.84 and 147,527.10 is: 203,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,388.40 : 370,371.84 = 147,527.10 : x
  2. Step 2: Convert to fraction form
    268,388.40/370,371.84 = 147,527.10/x
  3. Step 3: Cross multiply
    268,388.40x = 370,371.84 × 147,527.10
  4. Step 4: Simplify right side
    268,388.40x = 54,639,883,476.86
  5. Step 5: Solve for x
    x = 54,639,883,476.86/268,388.40
  6. Step 6: Final answer
    x = 203,585.12

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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.