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Finding the Fourth Proportional to 185,165.47, 255,544.08 and 104,607.78

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Solution

The fourth proportional to 185,165.47, 255,544.08 and 104,607.78 is: 144,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,165.47 : 255,544.08 = 104,607.78 : x
  2. Step 2: Convert to fraction form
    185,165.47/255,544.08 = 104,607.78/x
  3. Step 3: Cross multiply
    185,165.47x = 255,544.08 × 104,607.78
  4. Step 4: Simplify right side
    185,165.47x = 26,731,898,900.94
  5. Step 5: Solve for x
    x = 26,731,898,900.94/185,165.47
  6. Step 6: Final answer
    x = 144,367.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.