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Finding the Fourth Proportional to 144,177.45, 216,266.15 and 104,983.98

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Solution

The fourth proportional to 144,177.45, 216,266.15 and 104,983.98 is: 157,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,177.45 : 216,266.15 = 104,983.98 : x
  2. Step 2: Convert to fraction form
    144,177.45/216,266.15 = 104,983.98/x
  3. Step 3: Cross multiply
    144,177.45x = 216,266.15 × 104,983.98
  4. Step 4: Simplify right side
    144,177.45x = 22,704,480,641.36
  5. Step 5: Solve for x
    x = 22,704,480,641.36/144,177.45
  6. Step 6: Final answer
    x = 157,475.95

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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.