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Finding the Fourth Proportional to 144,362.97, 216,564.84 and 44,531.28

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Solution

The fourth proportional to 144,362.97, 216,564.84 and 44,531.28 is: 66,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,362.97 : 216,564.84 = 44,531.28 : x
  2. Step 2: Convert to fraction form
    144,362.97/216,564.84 = 44,531.28/x
  3. Step 3: Cross multiply
    144,362.97x = 216,564.84 × 44,531.28
  4. Step 4: Simplify right side
    144,362.97x = 9,643,909,528.20
  5. Step 5: Solve for x
    x = 9,643,909,528.20/144,362.97
  6. Step 6: Final answer
    x = 66,803.21

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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.