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Finding the Fourth Proportional to 132,897, 183,397.86 and 73,281

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Solution

The fourth proportional to 132,897, 183,397.86 and 73,281 is: 101,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,897 : 183,397.86 = 73,281 : x
  2. Step 2: Convert to fraction form
    132,897/183,397.86 = 73,281/x
  3. Step 3: Cross multiply
    132,897x = 183,397.86 × 73,281
  4. Step 4: Simplify right side
    132,897x = 13,439,578,578.66
  5. Step 5: Solve for x
    x = 13,439,578,578.66/132,897
  6. Step 6: Final answer
    x = 101,127.78

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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.