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Finding the Fourth Proportional to 144,334.39, 216,534.39 and 65,471.17

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Solution

The fourth proportional to 144,334.39, 216,534.39 and 65,471.17 is: 98,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,334.39 : 216,534.39 = 65,471.17 : x
  2. Step 2: Convert to fraction form
    144,334.39/216,534.39 = 65,471.17/x
  3. Step 3: Cross multiply
    144,334.39x = 216,534.39 × 65,471.17
  4. Step 4: Simplify right side
    144,334.39x = 14,176,759,858.54
  5. Step 5: Solve for x
    x = 14,176,759,858.54/144,334.39
  6. Step 6: Final answer
    x = 98,221.64

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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.