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Finding the Fourth Proportional to 72,562.80, 100,157.54 and 43,882.50

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Solution

The fourth proportional to 72,562.80, 100,157.54 and 43,882.50 is: 60,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,562.80 : 100,157.54 = 43,882.50 : x
  2. Step 2: Convert to fraction form
    72,562.80/100,157.54 = 43,882.50/x
  3. Step 3: Cross multiply
    72,562.80x = 100,157.54 × 43,882.50
  4. Step 4: Simplify right side
    72,562.80x = 4,395,163,029.64
  5. Step 5: Solve for x
    x = 4,395,163,029.64/72,562.80
  6. Step 6: Final answer
    x = 60,570.47

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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.