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Finding the Fourth Proportional to 92,611.85, 138,901.59 and 26,036.17

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Solution

The fourth proportional to 92,611.85, 138,901.59 and 26,036.17 is: 39,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,611.85 : 138,901.59 = 26,036.17 : x
  2. Step 2: Convert to fraction form
    92,611.85/138,901.59 = 26,036.17/x
  3. Step 3: Cross multiply
    92,611.85x = 138,901.59 × 26,036.17
  4. Step 4: Simplify right side
    92,611.85x = 3,616,465,063.26
  5. Step 5: Solve for x
    x = 3,616,465,063.26/92,611.85
  6. Step 6: Final answer
    x = 39,049.70

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1.5x scale

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.