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Finding the Fourth Proportional to 88,634.60, 133,038.30 and 44,311.40

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Solution

The fourth proportional to 88,634.60, 133,038.30 and 44,311.40 is: 66,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,634.60 : 133,038.30 = 44,311.40 : x
  2. Step 2: Convert to fraction form
    88,634.60/133,038.30 = 44,311.40/x
  3. Step 3: Cross multiply
    88,634.60x = 133,038.30 × 44,311.40
  4. Step 4: Simplify right side
    88,634.60x = 5,895,113,326.62
  5. Step 5: Solve for x
    x = 5,895,113,326.62/88,634.60
  6. Step 6: Final answer
    x = 66,510.29

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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.