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Finding the Fourth Proportional to 92,601.51, 138,806.91 and 36,418.84

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Solution

The fourth proportional to 92,601.51, 138,806.91 and 36,418.84 is: 54,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,601.51 : 138,806.91 = 36,418.84 : x
  2. Step 2: Convert to fraction form
    92,601.51/138,806.91 = 36,418.84/x
  3. Step 3: Cross multiply
    92,601.51x = 138,806.91 × 36,418.84
  4. Step 4: Simplify right side
    92,601.51x = 5,055,186,646.18
  5. Step 5: Solve for x
    x = 5,055,186,646.18/92,601.51
  6. Step 6: Final answer
    x = 54,590.76

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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.