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Finding the Fourth Proportional to 72,562.72, 100,147.56 and 44,284.84

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Solution

The fourth proportional to 72,562.72, 100,147.56 and 44,284.84 is: 61,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,562.72 : 100,147.56 = 44,284.84 : x
  2. Step 2: Convert to fraction form
    72,562.72/100,147.56 = 44,284.84/x
  3. Step 3: Cross multiply
    72,562.72x = 100,147.56 × 44,284.84
  4. Step 4: Simplify right side
    72,562.72x = 4,435,018,670.99
  5. Step 5: Solve for x
    x = 4,435,018,670.99/72,562.72
  6. Step 6: Final answer
    x = 61,119.80

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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.