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Finding the Fourth Proportional to 124,255, 186,386.82 and 41,146.84

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Solution

The fourth proportional to 124,255, 186,386.82 and 41,146.84 is: 61,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,255 : 186,386.82 = 41,146.84 : x
  2. Step 2: Convert to fraction form
    124,255/186,386.82 = 41,146.84/x
  3. Step 3: Cross multiply
    124,255x = 186,386.82 × 41,146.84
  4. Step 4: Simplify right side
    124,255x = 7,669,228,660.65
  5. Step 5: Solve for x
    x = 7,669,228,660.65/124,255
  6. Step 6: Final answer
    x = 61,721.69

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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.