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Finding the Fourth Proportional to 173,148.84, 259,869.06 and 68,041.62

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Solution

The fourth proportional to 173,148.84, 259,869.06 and 68,041.62 is: 102,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,148.84 : 259,869.06 = 68,041.62 : x
  2. Step 2: Convert to fraction form
    173,148.84/259,869.06 = 68,041.62/x
  3. Step 3: Cross multiply
    173,148.84x = 259,869.06 × 68,041.62
  4. Step 4: Simplify right side
    173,148.84x = 17,681,911,830.28
  5. Step 5: Solve for x
    x = 17,681,911,830.28/173,148.84
  6. Step 6: Final answer
    x = 102,119.72

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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.