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Finding the Fourth Proportional to 196,537, 271,264.86 and 124,903

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Solution

The fourth proportional to 196,537, 271,264.86 and 124,903 is: 172,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,537 : 271,264.86 = 124,903 : x
  2. Step 2: Convert to fraction form
    196,537/271,264.86 = 124,903/x
  3. Step 3: Cross multiply
    196,537x = 271,264.86 × 124,903
  4. Step 4: Simplify right side
    196,537x = 33,881,794,808.58
  5. Step 5: Solve for x
    x = 33,881,794,808.58/196,537
  6. Step 6: Final answer
    x = 172,393.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.