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Finding the Fourth Proportional to 153,603.41, 230,370.54 and 55,107.41

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Solution

The fourth proportional to 153,603.41, 230,370.54 and 55,107.41 is: 82,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,603.41 : 230,370.54 = 55,107.41 : x
  2. Step 2: Convert to fraction form
    153,603.41/230,370.54 = 55,107.41/x
  3. Step 3: Cross multiply
    153,603.41x = 230,370.54 × 55,107.41
  4. Step 4: Simplify right side
    153,603.41x = 12,695,123,799.70
  5. Step 5: Solve for x
    x = 12,695,123,799.70/153,603.41
  6. Step 6: Final answer
    x = 82,648.71

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1.5x scale

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.