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Finding the Fourth Proportional to 103,290.39, 154,806.12 and 44,056.71

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Solution

The fourth proportional to 103,290.39, 154,806.12 and 44,056.71 is: 66,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,290.39 : 154,806.12 = 44,056.71 : x
  2. Step 2: Convert to fraction form
    103,290.39/154,806.12 = 44,056.71/x
  3. Step 3: Cross multiply
    103,290.39x = 154,806.12 × 44,056.71
  4. Step 4: Simplify right side
    103,290.39x = 6,820,248,335.07
  5. Step 5: Solve for x
    x = 6,820,248,335.07/103,290.39
  6. Step 6: Final answer
    x = 66,029.84

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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.