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Finding the Fourth Proportional to 84,894.61, 127,166.93 and 49,727.65

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Solution

The fourth proportional to 84,894.61, 127,166.93 and 49,727.65 is: 74,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,894.61 : 127,166.93 = 49,727.65 : x
  2. Step 2: Convert to fraction form
    84,894.61/127,166.93 = 49,727.65/x
  3. Step 3: Cross multiply
    84,894.61x = 127,166.93 × 49,727.65
  4. Step 4: Simplify right side
    84,894.61x = 6,323,711,826.46
  5. Step 5: Solve for x
    x = 6,323,711,826.46/84,894.61
  6. Step 6: Final answer
    x = 74,488.97

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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.