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Finding the Fourth Proportional to 268,449.66, 402,695.10 and 88,465.08

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Solution

The fourth proportional to 268,449.66, 402,695.10 and 88,465.08 is: 132,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,449.66 : 402,695.10 = 88,465.08 : x
  2. Step 2: Convert to fraction form
    268,449.66/402,695.10 = 88,465.08/x
  3. Step 3: Cross multiply
    268,449.66x = 402,695.10 × 88,465.08
  4. Step 4: Simplify right side
    268,449.66x = 35,624,454,237.11
  5. Step 5: Solve for x
    x = 35,624,454,237.11/268,449.66
  6. Step 6: Final answer
    x = 132,704.41

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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.