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Finding the Fourth Proportional to 185,043.38, 255,347.42 and 104,474.30

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Solution

The fourth proportional to 185,043.38, 255,347.42 and 104,474.30 is: 144,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,043.38 : 255,347.42 = 104,474.30 : x
  2. Step 2: Convert to fraction form
    185,043.38/255,347.42 = 104,474.30/x
  3. Step 3: Cross multiply
    185,043.38x = 255,347.42 × 104,474.30
  4. Step 4: Simplify right side
    185,043.38x = 26,677,242,961.31
  5. Step 5: Solve for x
    x = 26,677,242,961.31/185,043.38
  6. Step 6: Final answer
    x = 144,167.51

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1.5x scale

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.