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Finding the Fourth Proportional to 84,870.59, 127,185.19 and 62,508.11

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Solution

The fourth proportional to 84,870.59, 127,185.19 and 62,508.11 is: 93,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,870.59 : 127,185.19 = 62,508.11 : x
  2. Step 2: Convert to fraction form
    84,870.59/127,185.19 = 62,508.11/x
  3. Step 3: Cross multiply
    84,870.59x = 127,185.19 × 62,508.11
  4. Step 4: Simplify right side
    84,870.59x = 7,950,105,054.69
  5. Step 5: Solve for x
    x = 7,950,105,054.69/84,870.59
  6. Step 6: Final answer
    x = 93,673.27

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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.