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Finding the Fourth Proportional to 103,487.52, 155,259.84 and 41,201.76

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Solution

The fourth proportional to 103,487.52, 155,259.84 and 41,201.76 is: 61,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,487.52 : 155,259.84 = 41,201.76 : x
  2. Step 2: Convert to fraction form
    103,487.52/155,259.84 = 41,201.76/x
  3. Step 3: Cross multiply
    103,487.52x = 155,259.84 × 41,201.76
  4. Step 4: Simplify right side
    103,487.52x = 6,396,978,665.32
  5. Step 5: Solve for x
    x = 6,396,978,665.32/103,487.52
  6. Step 6: Final answer
    x = 61,814.01

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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.