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Finding the Fourth Proportional to 185,554.40, 278,315.40 and 60,895.40

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Solution

The fourth proportional to 185,554.40, 278,315.40 and 60,895.40 is: 91,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,554.40 : 278,315.40 = 60,895.40 : x
  2. Step 2: Convert to fraction form
    185,554.40/278,315.40 = 60,895.40/x
  3. Step 3: Cross multiply
    185,554.40x = 278,315.40 × 60,895.40
  4. Step 4: Simplify right side
    185,554.40x = 16,948,127,609.16
  5. Step 5: Solve for x
    x = 16,948,127,609.16/185,554.40
  6. Step 6: Final answer
    x = 91,337.78

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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.