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Finding the Fourth Proportional to 103,593.48, 155,652.90 and 96,627.84

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Solution

The fourth proportional to 103,593.48, 155,652.90 and 96,627.84 is: 145,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,593.48 : 155,652.90 = 96,627.84 : x
  2. Step 2: Convert to fraction form
    103,593.48/155,652.90 = 96,627.84/x
  3. Step 3: Cross multiply
    103,593.48x = 155,652.90 × 96,627.84
  4. Step 4: Simplify right side
    103,593.48x = 15,040,403,516.74
  5. Step 5: Solve for x
    x = 15,040,403,516.74/103,593.48
  6. Step 6: Final answer
    x = 145,186.78

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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.