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Finding the Fourth Proportional to 188,773.96, 260,449.43 and 107,088.74

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Solution

The fourth proportional to 188,773.96, 260,449.43 and 107,088.74 is: 147,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,773.96 : 260,449.43 = 107,088.74 : x
  2. Step 2: Convert to fraction form
    188,773.96/260,449.43 = 107,088.74/x
  3. Step 3: Cross multiply
    188,773.96x = 260,449.43 × 107,088.74
  4. Step 4: Simplify right side
    188,773.96x = 27,891,201,408.10
  5. Step 5: Solve for x
    x = 27,891,201,408.10/188,773.96
  6. Step 6: Final answer
    x = 147,749.20

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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.