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Finding the Fourth Proportional to 185,335.50, 278,005.68 and 60,676.50

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Solution

The fourth proportional to 185,335.50, 278,005.68 and 60,676.50 is: 91,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,335.50 : 278,005.68 = 60,676.50 : x
  2. Step 2: Convert to fraction form
    185,335.50/278,005.68 = 60,676.50/x
  3. Step 3: Cross multiply
    185,335.50x = 278,005.68 × 60,676.50
  4. Step 4: Simplify right side
    185,335.50x = 16,868,411,642.52
  5. Step 5: Solve for x
    x = 16,868,411,642.52/185,335.50
  6. Step 6: Final answer
    x = 91,015.55

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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.