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Finding the Fourth Proportional to 107,294.40, 160,963.20 and 37,159.20

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Solution

The fourth proportional to 107,294.40, 160,963.20 and 37,159.20 is: 55,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,294.40 : 160,963.20 = 37,159.20 : x
  2. Step 2: Convert to fraction form
    107,294.40/160,963.20 = 37,159.20/x
  3. Step 3: Cross multiply
    107,294.40x = 160,963.20 × 37,159.20
  4. Step 4: Simplify right side
    107,294.40x = 5,981,263,741.44
  5. Step 5: Solve for x
    x = 5,981,263,741.44/107,294.40
  6. Step 6: Final answer
    x = 55,746.28

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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.