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Finding the Fourth Proportional to 110,581.40, 152,606.40 and 62,842.76

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Solution

The fourth proportional to 110,581.40, 152,606.40 and 62,842.76 is: 86,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,581.40 : 152,606.40 = 62,842.76 : x
  2. Step 2: Convert to fraction form
    110,581.40/152,606.40 = 62,842.76/x
  3. Step 3: Cross multiply
    110,581.40x = 152,606.40 × 62,842.76
  4. Step 4: Simplify right side
    110,581.40x = 9,590,207,369.66
  5. Step 5: Solve for x
    x = 9,590,207,369.66/110,581.40
  6. Step 6: Final answer
    x = 86,725.32

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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.