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Finding the Fourth Proportional to 301,696.81, 452,531.36 and 88,456.12

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Solution

The fourth proportional to 301,696.81, 452,531.36 and 88,456.12 is: 132,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,696.81 : 452,531.36 = 88,456.12 : x
  2. Step 2: Convert to fraction form
    301,696.81/452,531.36 = 88,456.12/x
  3. Step 3: Cross multiply
    301,696.81x = 452,531.36 × 88,456.12
  4. Step 4: Simplify right side
    301,696.81x = 40,029,167,373.74
  5. Step 5: Solve for x
    x = 40,029,167,373.74/301,696.81
  6. Step 6: Final answer
    x = 132,680.12

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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.