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Finding the Fourth Proportional to 174,441.60, 261,777.60 and 99,561.60

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Solution

The fourth proportional to 174,441.60, 261,777.60 and 99,561.60 is: 149,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,441.60 : 261,777.60 = 99,561.60 : x
  2. Step 2: Convert to fraction form
    174,441.60/261,777.60 = 99,561.60/x
  3. Step 3: Cross multiply
    174,441.60x = 261,777.60 × 99,561.60
  4. Step 4: Simplify right side
    174,441.60x = 26,062,996,700.16
  5. Step 5: Solve for x
    x = 26,062,996,700.16/174,441.60
  6. Step 6: Final answer
    x = 149,408.15

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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.