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Finding the Fourth Proportional to 186,462.07, 279,693.10 and 61,803.07

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Solution

The fourth proportional to 186,462.07, 279,693.10 and 61,803.07 is: 92,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,462.07 : 279,693.10 = 61,803.07 : x
  2. Step 2: Convert to fraction form
    186,462.07/279,693.10 = 61,803.07/x
  3. Step 3: Cross multiply
    186,462.07x = 279,693.10 × 61,803.07
  4. Step 4: Simplify right side
    186,462.07x = 17,285,890,839.35
  5. Step 5: Solve for x
    x = 17,285,890,839.35/186,462.07
  6. Step 6: Final answer
    x = 92,704.60

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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.