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Finding the Fourth Proportional to 92,102.94, 138,153.87 and 25,542.36

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Solution

The fourth proportional to 92,102.94, 138,153.87 and 25,542.36 is: 38,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,102.94 : 138,153.87 = 25,542.36 : x
  2. Step 2: Convert to fraction form
    92,102.94/138,153.87 = 25,542.36/x
  3. Step 3: Cross multiply
    92,102.94x = 138,153.87 × 25,542.36
  4. Step 4: Simplify right side
    92,102.94x = 3,528,775,882.93
  5. Step 5: Solve for x
    x = 3,528,775,882.93/92,102.94
  6. Step 6: Final answer
    x = 38,313.39

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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.