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Finding the Fourth Proportional to 103,048.38, 154,631.03 and 43,877.88

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Solution

The fourth proportional to 103,048.38, 154,631.03 and 43,877.88 is: 65,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,048.38 : 154,631.03 = 43,877.88 : x
  2. Step 2: Convert to fraction form
    103,048.38/154,631.03 = 43,877.88/x
  3. Step 3: Cross multiply
    103,048.38x = 154,631.03 × 43,877.88
  4. Step 4: Simplify right side
    103,048.38x = 6,784,881,559.23
  5. Step 5: Solve for x
    x = 6,784,881,559.23/103,048.38
  6. Step 6: Final answer
    x = 65,841.71

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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.