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Finding the Fourth Proportional to 275,544.40, 413,219.40 and 88,492.72

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Solution

The fourth proportional to 275,544.40, 413,219.40 and 88,492.72 is: 132,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,544.40 : 413,219.40 = 88,492.72 : x
  2. Step 2: Convert to fraction form
    275,544.40/413,219.40 = 88,492.72/x
  3. Step 3: Cross multiply
    275,544.40x = 413,219.40 × 88,492.72
  4. Step 4: Simplify right side
    275,544.40x = 36,566,908,662.77
  5. Step 5: Solve for x
    x = 36,566,908,662.77/275,544.40
  6. Step 6: Final answer
    x = 132,707.86

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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.