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Finding the Fourth Proportional to 65,585.70, 98,230.53 and 45,951.90

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Solution

The fourth proportional to 65,585.70, 98,230.53 and 45,951.90 is: 68,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,585.70 : 98,230.53 = 45,951.90 : x
  2. Step 2: Convert to fraction form
    65,585.70/98,230.53 = 45,951.90/x
  3. Step 3: Cross multiply
    65,585.70x = 98,230.53 × 45,951.90
  4. Step 4: Simplify right side
    65,585.70x = 4,513,879,491.51
  5. Step 5: Solve for x
    x = 4,513,879,491.51/65,585.70
  6. Step 6: Final answer
    x = 68,824.14

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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.