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Finding the Fourth Proportional to 173,176.34, 259,399.91 and 88,679.78

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Solution

The fourth proportional to 173,176.34, 259,399.91 and 88,679.78 is: 132,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,176.34 : 259,399.91 = 88,679.78 : x
  2. Step 2: Convert to fraction form
    173,176.34/259,399.91 = 88,679.78/x
  3. Step 3: Cross multiply
    173,176.34x = 259,399.91 × 88,679.78
  4. Step 4: Simplify right side
    173,176.34x = 23,003,525,875.52
  5. Step 5: Solve for x
    x = 23,003,525,875.52/173,176.34
  6. Step 6: Final answer
    x = 132,832.96

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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.