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Finding the Fourth Proportional to 173,462.40, 259,686.72 and 156,860.64

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Solution

The fourth proportional to 173,462.40, 259,686.72 and 156,860.64 is: 234,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,462.40 : 259,686.72 = 156,860.64 : x
  2. Step 2: Convert to fraction form
    173,462.40/259,686.72 = 156,860.64/x
  3. Step 3: Cross multiply
    173,462.40x = 259,686.72 × 156,860.64
  4. Step 4: Simplify right side
    173,462.40x = 40,734,625,098.70
  5. Step 5: Solve for x
    x = 40,734,625,098.70/173,462.40
  6. Step 6: Final answer
    x = 234,832.59

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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.