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Finding the Fourth Proportional to 92,117.88, 138,170.64 and 25,558.59

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Solution

The fourth proportional to 92,117.88, 138,170.64 and 25,558.59 is: 38,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,117.88 : 138,170.64 = 25,558.59 : x
  2. Step 2: Convert to fraction form
    92,117.88/138,170.64 = 25,558.59/x
  3. Step 3: Cross multiply
    92,117.88x = 138,170.64 × 25,558.59
  4. Step 4: Simplify right side
    92,117.88x = 3,531,446,358.92
  5. Step 5: Solve for x
    x = 3,531,446,358.92/92,117.88
  6. Step 6: Final answer
    x = 38,336.17

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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.