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Finding the Fourth Proportional to 173,324, 259,953.12 and 84,488.16

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Solution

The fourth proportional to 173,324, 259,953.12 and 84,488.16 is: 126,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,324 : 259,953.12 = 84,488.16 : x
  2. Step 2: Convert to fraction form
    173,324/259,953.12 = 84,488.16/x
  3. Step 3: Cross multiply
    173,324x = 259,953.12 × 84,488.16
  4. Step 4: Simplify right side
    173,324x = 21,962,960,795.06
  5. Step 5: Solve for x
    x = 21,962,960,795.06/173,324
  6. Step 6: Final answer
    x = 126,716.21

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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.