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Finding the Fourth Proportional to 172,725.84, 259,088.76 and 98,802

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Solution

The fourth proportional to 172,725.84, 259,088.76 and 98,802 is: 148,203

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,725.84 : 259,088.76 = 98,802 : x
  2. Step 2: Convert to fraction form
    172,725.84/259,088.76 = 98,802/x
  3. Step 3: Cross multiply
    172,725.84x = 259,088.76 × 98,802
  4. Step 4: Simplify right side
    172,725.84x = 25,598,487,665.52
  5. Step 5: Solve for x
    x = 25,598,487,665.52/172,725.84
  6. Step 6: Final answer
    x = 148,203

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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.