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Finding the Fourth Proportional to 173,602.16, 259,978.59 and 156,773.20

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Solution

The fourth proportional to 173,602.16, 259,978.59 and 156,773.20 is: 234,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,602.16 : 259,978.59 = 156,773.20 : x
  2. Step 2: Convert to fraction form
    173,602.16/259,978.59 = 156,773.20/x
  3. Step 3: Cross multiply
    173,602.16x = 259,978.59 × 156,773.20
  4. Step 4: Simplify right side
    173,602.16x = 40,757,675,485.79
  5. Step 5: Solve for x
    x = 40,757,675,485.79/173,602.16
  6. Step 6: Final answer
    x = 234,776.32

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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.