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Finding the Fourth Proportional to 186,519.52, 279,861.90 and 97,751.89

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Solution

The fourth proportional to 186,519.52, 279,861.90 and 97,751.89 is: 146,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,519.52 : 279,861.90 = 97,751.89 : x
  2. Step 2: Convert to fraction form
    186,519.52/279,861.90 = 97,751.89/x
  3. Step 3: Cross multiply
    186,519.52x = 279,861.90 × 97,751.89
  4. Step 4: Simplify right side
    186,519.52x = 27,357,029,663.99
  5. Step 5: Solve for x
    x = 27,357,029,663.99/186,519.52
  6. Step 6: Final answer
    x = 146,671.13

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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.