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Finding the Fourth Proportional to 288,696.34, 433,016.64 and 88,963.10

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Solution

The fourth proportional to 288,696.34, 433,016.64 and 88,963.10 is: 133,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,696.34 : 433,016.64 = 88,963.10 : x
  2. Step 2: Convert to fraction form
    288,696.34/433,016.64 = 88,963.10/x
  3. Step 3: Cross multiply
    288,696.34x = 433,016.64 × 88,963.10
  4. Step 4: Simplify right side
    288,696.34x = 38,522,500,480.90
  5. Step 5: Solve for x
    x = 38,522,500,480.90/288,696.34
  6. Step 6: Final answer
    x = 133,436.06

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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.