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Finding the Fourth Proportional to 144,405.52, 216,528.98 and 44,538

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Solution

The fourth proportional to 144,405.52, 216,528.98 and 44,538 is: 66,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,405.52 : 216,528.98 = 44,538 : x
  2. Step 2: Convert to fraction form
    144,405.52/216,528.98 = 44,538/x
  3. Step 3: Cross multiply
    144,405.52x = 216,528.98 × 44,538
  4. Step 4: Simplify right side
    144,405.52x = 9,643,767,711.24
  5. Step 5: Solve for x
    x = 9,643,767,711.24/144,405.52
  6. Step 6: Final answer
    x = 66,782.54

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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.