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Finding the Fourth Proportional to 134,696.80, 202,045.20 and 88,002.40

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Solution

The fourth proportional to 134,696.80, 202,045.20 and 88,002.40 is: 132,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,696.80 : 202,045.20 = 88,002.40 : x
  2. Step 2: Convert to fraction form
    134,696.80/202,045.20 = 88,002.40/x
  3. Step 3: Cross multiply
    134,696.80x = 202,045.20 × 88,002.40
  4. Step 4: Simplify right side
    134,696.80x = 17,780,462,508.48
  5. Step 5: Solve for x
    x = 17,780,462,508.48/134,696.80
  6. Step 6: Final answer
    x = 132,003.60

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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.