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Finding the Fourth Proportional to 144,313.30, 216,474.90 and 44,472.70

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Solution

The fourth proportional to 144,313.30, 216,474.90 and 44,472.70 is: 66,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,313.30 : 216,474.90 = 44,472.70 : x
  2. Step 2: Convert to fraction form
    144,313.30/216,474.90 = 44,472.70/x
  3. Step 3: Cross multiply
    144,313.30x = 216,474.90 × 44,472.70
  4. Step 4: Simplify right side
    144,313.30x = 9,627,223,285.23
  5. Step 5: Solve for x
    x = 9,627,223,285.23/144,313.30
  6. Step 6: Final answer
    x = 66,710.58

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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.