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Finding the Fourth Proportional to 96,246.60, 144,272.70 and 43,693.80

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Solution

The fourth proportional to 96,246.60, 144,272.70 and 43,693.80 is: 65,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,246.60 : 144,272.70 = 43,693.80 : x
  2. Step 2: Convert to fraction form
    96,246.60/144,272.70 = 43,693.80/x
  3. Step 3: Cross multiply
    96,246.60x = 144,272.70 × 43,693.80
  4. Step 4: Simplify right side
    96,246.60x = 6,303,822,499.26
  5. Step 5: Solve for x
    x = 6,303,822,499.26/96,246.60
  6. Step 6: Final answer
    x = 65,496.57

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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.