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Finding the Fourth Proportional to 144,470.52, 216,525.29 and 69,576.75

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Solution

The fourth proportional to 144,470.52, 216,525.29 and 69,576.75 is: 104,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,470.52 : 216,525.29 = 69,576.75 : x
  2. Step 2: Convert to fraction form
    144,470.52/216,525.29 = 69,576.75/x
  3. Step 3: Cross multiply
    144,470.52x = 216,525.29 × 69,576.75
  4. Step 4: Simplify right side
    144,470.52x = 15,065,125,623.12
  5. Step 5: Solve for x
    x = 15,065,125,623.12/144,470.52
  6. Step 6: Final answer
    x = 104,278.20

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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.