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Finding the Fourth Proportional to 173,863.95, 260,795.93 and 85,174.35

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Solution

The fourth proportional to 173,863.95, 260,795.93 and 85,174.35 is: 127,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,863.95 : 260,795.93 = 85,174.35 : x
  2. Step 2: Convert to fraction form
    173,863.95/260,795.93 = 85,174.35/x
  3. Step 3: Cross multiply
    173,863.95x = 260,795.93 × 85,174.35
  4. Step 4: Simplify right side
    173,863.95x = 22,213,123,394.52
  5. Step 5: Solve for x
    x = 22,213,123,394.52/173,863.95
  6. Step 6: Final answer
    x = 127,761.53

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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.