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Finding the Fourth Proportional to 92,119.04, 138,253.03 and 47,758.48

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Solution

The fourth proportional to 92,119.04, 138,253.03 and 47,758.48 is: 71,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,119.04 : 138,253.03 = 47,758.48 : x
  2. Step 2: Convert to fraction form
    92,119.04/138,253.03 = 47,758.48/x
  3. Step 3: Cross multiply
    92,119.04x = 138,253.03 × 47,758.48
  4. Step 4: Simplify right side
    92,119.04x = 6,602,754,103.17
  5. Step 5: Solve for x
    x = 6,602,754,103.17/92,119.04
  6. Step 6: Final answer
    x = 71,676.33

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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.