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Finding the Fourth Proportional to 92,612.58, 138,928.05 and 26,053.26

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Solution

The fourth proportional to 92,612.58, 138,928.05 and 26,053.26 is: 39,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,612.58 : 138,928.05 = 26,053.26 : x
  2. Step 2: Convert to fraction form
    92,612.58/138,928.05 = 26,053.26/x
  3. Step 3: Cross multiply
    92,612.58x = 138,928.05 × 26,053.26
  4. Step 4: Simplify right side
    92,612.58x = 3,619,528,607.94
  5. Step 5: Solve for x
    x = 3,619,528,607.94/92,612.58
  6. Step 6: Final answer
    x = 39,082.47

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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.