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Finding the Fourth Proportional to 173,170.91, 239,030.29 and 101,579.87

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Solution

The fourth proportional to 173,170.91, 239,030.29 and 101,579.87 is: 140,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,170.91 : 239,030.29 = 101,579.87 : x
  2. Step 2: Convert to fraction form
    173,170.91/239,030.29 = 101,579.87/x
  3. Step 3: Cross multiply
    173,170.91x = 239,030.29 × 101,579.87
  4. Step 4: Simplify right side
    173,170.91x = 24,280,666,508.81
  5. Step 5: Solve for x
    x = 24,280,666,508.81/173,170.91
  6. Step 6: Final answer
    x = 140,212.15

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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.