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Finding the Fourth Proportional to 100,863.10, 151,294.65 and 94,302.10

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Solution

The fourth proportional to 100,863.10, 151,294.65 and 94,302.10 is: 141,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,863.10 : 151,294.65 = 94,302.10 : x
  2. Step 2: Convert to fraction form
    100,863.10/151,294.65 = 94,302.10/x
  3. Step 3: Cross multiply
    100,863.10x = 151,294.65 × 94,302.10
  4. Step 4: Simplify right side
    100,863.10x = 14,267,403,213.77
  5. Step 5: Solve for x
    x = 14,267,403,213.77/100,863.10
  6. Step 6: Final answer
    x = 141,453.15

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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.