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Finding the Fourth Proportional to 115,961.76, 173,808.24 and 53,502.24

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Solution

The fourth proportional to 115,961.76, 173,808.24 and 53,502.24 is: 80,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,961.76 : 173,808.24 = 53,502.24 : x
  2. Step 2: Convert to fraction form
    115,961.76/173,808.24 = 53,502.24/x
  3. Step 3: Cross multiply
    115,961.76x = 173,808.24 × 53,502.24
  4. Step 4: Simplify right side
    115,961.76x = 9,299,130,170.46
  5. Step 5: Solve for x
    x = 9,299,130,170.46/115,961.76
  6. Step 6: Final answer
    x = 80,191.35

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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.