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Finding the Fourth Proportional to 70,898.20, 106,216.10 and 41,330.20

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Solution

The fourth proportional to 70,898.20, 106,216.10 and 41,330.20 is: 61,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,898.20 : 106,216.10 = 41,330.20 : x
  2. Step 2: Convert to fraction form
    70,898.20/106,216.10 = 41,330.20/x
  3. Step 3: Cross multiply
    70,898.20x = 106,216.10 × 41,330.20
  4. Step 4: Simplify right side
    70,898.20x = 4,389,932,656.22
  5. Step 5: Solve for x
    x = 4,389,932,656.22/70,898.20
  6. Step 6: Final answer
    x = 61,918.82

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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.