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Finding the Fourth Proportional to 230,118.76, 345,197.85 and 70,230.70

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Solution

The fourth proportional to 230,118.76, 345,197.85 and 70,230.70 is: 105,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,118.76 : 345,197.85 = 70,230.70 : x
  2. Step 2: Convert to fraction form
    230,118.76/345,197.85 = 70,230.70/x
  3. Step 3: Cross multiply
    230,118.76x = 345,197.85 × 70,230.70
  4. Step 4: Simplify right side
    230,118.76x = 24,243,486,644.00
  5. Step 5: Solve for x
    x = 24,243,486,644.00/230,118.76
  6. Step 6: Final answer
    x = 105,352.07

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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.