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Finding the Fourth Proportional to 103,169.61, 154,703.35 and 36,599.76

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Solution

The fourth proportional to 103,169.61, 154,703.35 and 36,599.76 is: 54,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,169.61 : 154,703.35 = 36,599.76 : x
  2. Step 2: Convert to fraction form
    103,169.61/154,703.35 = 36,599.76/x
  3. Step 3: Cross multiply
    103,169.61x = 154,703.35 × 36,599.76
  4. Step 4: Simplify right side
    103,169.61x = 5,662,105,481.20
  5. Step 5: Solve for x
    x = 5,662,105,481.20/103,169.61
  6. Step 6: Final answer
    x = 54,881.52

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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.