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Finding the Fourth Proportional to 92,648.07, 138,294.07 and 79,584.39

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Solution

The fourth proportional to 92,648.07, 138,294.07 and 79,584.39 is: 118,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,648.07 : 138,294.07 = 79,584.39 : x
  2. Step 2: Convert to fraction form
    92,648.07/138,294.07 = 79,584.39/x
  3. Step 3: Cross multiply
    92,648.07x = 138,294.07 × 79,584.39
  4. Step 4: Simplify right side
    92,648.07x = 11,006,049,002.61
  5. Step 5: Solve for x
    x = 11,006,049,002.61/92,648.07
  6. Step 6: Final answer
    x = 118,794.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.