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Finding the Fourth Proportional to 70,114.56, 96,757.36 and 38,283.36

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Solution

The fourth proportional to 70,114.56, 96,757.36 and 38,283.36 is: 52,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,114.56 : 96,757.36 = 38,283.36 : x
  2. Step 2: Convert to fraction form
    70,114.56/96,757.36 = 38,283.36/x
  3. Step 3: Cross multiply
    70,114.56x = 96,757.36 × 38,283.36
  4. Step 4: Simplify right side
    70,114.56x = 3,704,196,845.53
  5. Step 5: Solve for x
    x = 3,704,196,845.53/70,114.56
  6. Step 6: Final answer
    x = 52,830.64

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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.