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Finding the Fourth Proportional to 92,400.84, 138,483.42 and 45,027.24

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Solution

The fourth proportional to 92,400.84, 138,483.42 and 45,027.24 is: 67,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.84 : 138,483.42 = 45,027.24 : x
  2. Step 2: Convert to fraction form
    92,400.84/138,483.42 = 45,027.24/x
  3. Step 3: Cross multiply
    92,400.84x = 138,483.42 × 45,027.24
  4. Step 4: Simplify right side
    92,400.84x = 6,235,526,188.36
  5. Step 5: Solve for x
    x = 6,235,526,188.36/92,400.84
  6. Step 6: Final answer
    x = 67,483.44

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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.