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Finding the Fourth Proportional to 186,003.75, 279,005.76 and 61,344.75

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Solution

The fourth proportional to 186,003.75, 279,005.76 and 61,344.75 is: 92,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,003.75 : 279,005.76 = 61,344.75 : x
  2. Step 2: Convert to fraction form
    186,003.75/279,005.76 = 61,344.75/x
  3. Step 3: Cross multiply
    186,003.75x = 279,005.76 × 61,344.75
  4. Step 4: Simplify right side
    186,003.75x = 17,115,538,595.76
  5. Step 5: Solve for x
    x = 17,115,538,595.76/186,003.75
  6. Step 6: Final answer
    x = 92,017.17

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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.