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Finding the Fourth Proportional to 185,045.40, 255,348.40 and 104,480.88

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Solution

The fourth proportional to 185,045.40, 255,348.40 and 104,480.88 is: 144,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,045.40 : 255,348.40 = 104,480.88 : x
  2. Step 2: Convert to fraction form
    185,045.40/255,348.40 = 104,480.88/x
  3. Step 3: Cross multiply
    185,045.40x = 255,348.40 × 104,480.88
  4. Step 4: Simplify right side
    185,045.40x = 26,679,025,538.59
  5. Step 5: Solve for x
    x = 26,679,025,538.59/185,045.40
  6. Step 6: Final answer
    x = 144,175.57

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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.