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Finding the Fourth Proportional to 173,156.66, 259,742.40 and 67,998.38

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Solution

The fourth proportional to 173,156.66, 259,742.40 and 67,998.38 is: 102,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,156.66 : 259,742.40 = 67,998.38 : x
  2. Step 2: Convert to fraction form
    173,156.66/259,742.40 = 67,998.38/x
  3. Step 3: Cross multiply
    173,156.66x = 259,742.40 × 67,998.38
  4. Step 4: Simplify right side
    173,156.66x = 17,662,062,417.31
  5. Step 5: Solve for x
    x = 17,662,062,417.31/173,156.66
  6. Step 6: Final answer
    x = 102,000.48

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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.