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Finding the Fourth Proportional to 173,411.81, 259,463.65 and 102,373.09

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Solution

The fourth proportional to 173,411.81, 259,463.65 and 102,373.09 is: 153,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,411.81 : 259,463.65 = 102,373.09 : x
  2. Step 2: Convert to fraction form
    173,411.81/259,463.65 = 102,373.09/x
  3. Step 3: Cross multiply
    173,411.81x = 259,463.65 × 102,373.09
  4. Step 4: Simplify right side
    173,411.81x = 26,562,095,593.18
  5. Step 5: Solve for x
    x = 26,562,095,593.18/173,411.81
  6. Step 6: Final answer
    x = 153,173.51

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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.