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Finding the Fourth Proportional to 122,570.79, 169,000.52 and 88,524.87

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Solution

The fourth proportional to 122,570.79, 169,000.52 and 88,524.87 is: 122,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,570.79 : 169,000.52 = 88,524.87 : x
  2. Step 2: Convert to fraction form
    122,570.79/169,000.52 = 88,524.87/x
  3. Step 3: Cross multiply
    122,570.79x = 169,000.52 × 88,524.87
  4. Step 4: Simplify right side
    122,570.79x = 14,960,749,062.93
  5. Step 5: Solve for x
    x = 14,960,749,062.93/122,570.79
  6. Step 6: Final answer
    x = 122,058.03

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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.