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Finding the Fourth Proportional to 248,018.83, 371,960.64 and 68,061.58

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Solution

The fourth proportional to 248,018.83, 371,960.64 and 68,061.58 is: 102,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,018.83 : 371,960.64 = 68,061.58 : x
  2. Step 2: Convert to fraction form
    248,018.83/371,960.64 = 68,061.58/x
  3. Step 3: Cross multiply
    248,018.83x = 371,960.64 × 68,061.58
  4. Step 4: Simplify right side
    248,018.83x = 25,316,227,926.31
  5. Step 5: Solve for x
    x = 25,316,227,926.31/248,018.83
  6. Step 6: Final answer
    x = 102,073.82

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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.