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Finding the Fourth Proportional to 69,015.80, 103,523.70 and 62,236.10

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Solution

The fourth proportional to 69,015.80, 103,523.70 and 62,236.10 is: 93,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,015.80 : 103,523.70 = 62,236.10 : x
  2. Step 2: Convert to fraction form
    69,015.80/103,523.70 = 62,236.10/x
  3. Step 3: Cross multiply
    69,015.80x = 103,523.70 × 62,236.10
  4. Step 4: Simplify right side
    69,015.80x = 6,442,911,345.57
  5. Step 5: Solve for x
    x = 6,442,911,345.57/69,015.80
  6. Step 6: Final answer
    x = 93,354.15

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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.