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Finding the Fourth Proportional to 70,833.80, 106,250.70 and 60,984.20

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Solution

The fourth proportional to 70,833.80, 106,250.70 and 60,984.20 is: 91,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,833.80 : 106,250.70 = 60,984.20 : x
  2. Step 2: Convert to fraction form
    70,833.80/106,250.70 = 60,984.20/x
  3. Step 3: Cross multiply
    70,833.80x = 106,250.70 × 60,984.20
  4. Step 4: Simplify right side
    70,833.80x = 6,479,613,938.94
  5. Step 5: Solve for x
    x = 6,479,613,938.94/70,833.80
  6. Step 6: Final answer
    x = 91,476.30

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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.