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Finding the Fourth Proportional to 88,970.40, 133,423.20 and 44,582.40

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Solution

The fourth proportional to 88,970.40, 133,423.20 and 44,582.40 is: 66,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,970.40 : 133,423.20 = 44,582.40 : x
  2. Step 2: Convert to fraction form
    88,970.40/133,423.20 = 44,582.40/x
  3. Step 3: Cross multiply
    88,970.40x = 133,423.20 × 44,582.40
  4. Step 4: Simplify right side
    88,970.40x = 5,948,326,471.68
  5. Step 5: Solve for x
    x = 5,948,326,471.68/88,970.40
  6. Step 6: Final answer
    x = 66,857.36

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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.