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Finding the Fourth Proportional to 75,160.70, 103,721.54 and 41,626.70

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Solution

The fourth proportional to 75,160.70, 103,721.54 and 41,626.70 is: 57,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,160.70 : 103,721.54 = 41,626.70 : x
  2. Step 2: Convert to fraction form
    75,160.70/103,721.54 = 41,626.70/x
  3. Step 3: Cross multiply
    75,160.70x = 103,721.54 × 41,626.70
  4. Step 4: Simplify right side
    75,160.70x = 4,317,585,429.12
  5. Step 5: Solve for x
    x = 4,317,585,429.12/75,160.70
  6. Step 6: Final answer
    x = 57,444.72

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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.