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Finding the Fourth Proportional to 110,146.65, 152,002 and 62,409.09

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Solution

The fourth proportional to 110,146.65, 152,002 and 62,409.09 is: 86,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,146.65 : 152,002 = 62,409.09 : x
  2. Step 2: Convert to fraction form
    110,146.65/152,002 = 62,409.09/x
  3. Step 3: Cross multiply
    110,146.65x = 152,002 × 62,409.09
  4. Step 4: Simplify right side
    110,146.65x = 9,486,306,498.18
  5. Step 5: Solve for x
    x = 9,486,306,498.18/110,146.65
  6. Step 6: Final answer
    x = 86,124.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.