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Finding the Fourth Proportional to 144,650.46, 216,977.13 and 69,753.18

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Solution

The fourth proportional to 144,650.46, 216,977.13 and 69,753.18 is: 104,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,650.46 : 216,977.13 = 69,753.18 : x
  2. Step 2: Convert to fraction form
    144,650.46/216,977.13 = 69,753.18/x
  3. Step 3: Cross multiply
    144,650.46x = 216,977.13 × 69,753.18
  4. Step 4: Simplify right side
    144,650.46x = 15,134,844,804.77
  5. Step 5: Solve for x
    x = 15,134,844,804.77/144,650.46
  6. Step 6: Final answer
    x = 104,630.46

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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.