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Finding the Fourth Proportional to 144,632.60, 216,928.90 and 44,861.40

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Solution

The fourth proportional to 144,632.60, 216,928.90 and 44,861.40 is: 67,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,632.60 : 216,928.90 = 44,861.40 : x
  2. Step 2: Convert to fraction form
    144,632.60/216,928.90 = 44,861.40/x
  3. Step 3: Cross multiply
    144,632.60x = 216,928.90 × 44,861.40
  4. Step 4: Simplify right side
    144,632.60x = 9,731,734,154.46
  5. Step 5: Solve for x
    x = 9,731,734,154.46/144,632.60
  6. Step 6: Final answer
    x = 67,285.90

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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.