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Finding the Fourth Proportional to 103,168.61, 154,701.85 and 36,598.76

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Solution

The fourth proportional to 103,168.61, 154,701.85 and 36,598.76 is: 54,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,168.61 : 154,701.85 = 36,598.76 : x
  2. Step 2: Convert to fraction form
    103,168.61/154,701.85 = 36,598.76/x
  3. Step 3: Cross multiply
    103,168.61x = 154,701.85 × 36,598.76
  4. Step 4: Simplify right side
    103,168.61x = 5,661,895,879.71
  5. Step 5: Solve for x
    x = 5,661,895,879.71/103,168.61
  6. Step 6: Final answer
    x = 54,880.02

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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.