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Finding the Fourth Proportional to 60,888.50, 91,351.21 and 43,153.48

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Solution

The fourth proportional to 60,888.50, 91,351.21 and 43,153.48 is: 64,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,888.50 : 91,351.21 = 43,153.48 : x
  2. Step 2: Convert to fraction form
    60,888.50/91,351.21 = 43,153.48/x
  3. Step 3: Cross multiply
    60,888.50x = 91,351.21 × 43,153.48
  4. Step 4: Simplify right side
    60,888.50x = 3,942,122,613.71
  5. Step 5: Solve for x
    x = 3,942,122,613.71/60,888.50
  6. Step 6: Final answer
    x = 64,743.30

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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.