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Finding the Fourth Proportional to 144,560.54, 216,716.09 and 69,577.53

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Solution

The fourth proportional to 144,560.54, 216,716.09 and 69,577.53 is: 104,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,560.54 : 216,716.09 = 69,577.53 : x
  2. Step 2: Convert to fraction form
    144,560.54/216,716.09 = 69,577.53/x
  3. Step 3: Cross multiply
    144,560.54x = 216,716.09 × 69,577.53
  4. Step 4: Simplify right side
    144,560.54x = 15,078,569,905.57
  5. Step 5: Solve for x
    x = 15,078,569,905.57/144,560.54
  6. Step 6: Final answer
    x = 104,306.27

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1.5x scale

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.