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Finding the Fourth Proportional to 70,350.90, 97,169.46 and 51,200.30

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Solution

The fourth proportional to 70,350.90, 97,169.46 and 51,200.30 is: 70,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.90 : 97,169.46 = 51,200.30 : x
  2. Step 2: Convert to fraction form
    70,350.90/97,169.46 = 51,200.30/x
  3. Step 3: Cross multiply
    70,350.90x = 97,169.46 × 51,200.30
  4. Step 4: Simplify right side
    70,350.90x = 4,975,105,553.76
  5. Step 5: Solve for x
    x = 4,975,105,553.76/70,350.90
  6. Step 6: Final answer
    x = 70,718.44

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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.