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Finding the Fourth Proportional to 173,329.40, 260,018.40 and 68,123.90

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Solution

The fourth proportional to 173,329.40, 260,018.40 and 68,123.90 is: 102,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,329.40 : 260,018.40 = 68,123.90 : x
  2. Step 2: Convert to fraction form
    173,329.40/260,018.40 = 68,123.90/x
  3. Step 3: Cross multiply
    173,329.40x = 260,018.40 × 68,123.90
  4. Step 4: Simplify right side
    173,329.40x = 17,713,467,479.76
  5. Step 5: Solve for x
    x = 17,713,467,479.76/173,329.40
  6. Step 6: Final answer
    x = 102,195.40

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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.