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Finding the Fourth Proportional to 92,675.95, 138,930.69 and 45,264.22

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Solution

The fourth proportional to 92,675.95, 138,930.69 and 45,264.22 is: 67,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675.95 : 138,930.69 = 45,264.22 : x
  2. Step 2: Convert to fraction form
    92,675.95/138,930.69 = 45,264.22/x
  3. Step 3: Cross multiply
    92,675.95x = 138,930.69 × 45,264.22
  4. Step 4: Simplify right side
    92,675.95x = 6,288,588,622.26
  5. Step 5: Solve for x
    x = 6,288,588,622.26/92,675.95
  6. Step 6: Final answer
    x = 67,855.67

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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.