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Finding the Fourth Proportional to 102,392.66, 153,578.60 and 27,503.08

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Solution

The fourth proportional to 102,392.66, 153,578.60 and 27,503.08 is: 41,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,392.66 : 153,578.60 = 27,503.08 : x
  2. Step 2: Convert to fraction form
    102,392.66/153,578.60 = 27,503.08/x
  3. Step 3: Cross multiply
    102,392.66x = 153,578.60 × 27,503.08
  4. Step 4: Simplify right side
    102,392.66x = 4,223,884,522.09
  5. Step 5: Solve for x
    x = 4,223,884,522.09/102,392.66
  6. Step 6: Final answer
    x = 41,251.83

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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.