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Finding the Fourth Proportional to 144,641.95, 216,977.19 and 49,859.65

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Solution

The fourth proportional to 144,641.95, 216,977.19 and 49,859.65 is: 74,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,641.95 : 216,977.19 = 49,859.65 : x
  2. Step 2: Convert to fraction form
    144,641.95/216,977.19 = 49,859.65/x
  3. Step 3: Cross multiply
    144,641.95x = 216,977.19 × 49,859.65
  4. Step 4: Simplify right side
    144,641.95x = 10,818,407,293.83
  5. Step 5: Solve for x
    x = 10,818,407,293.83/144,641.95
  6. Step 6: Final answer
    x = 74,794.40

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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.