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Finding the Fourth Proportional to 109,793.45, 151,515.27 and 59,492.45

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Solution

The fourth proportional to 109,793.45, 151,515.27 and 59,492.45 is: 82,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,793.45 : 151,515.27 = 59,492.45 : x
  2. Step 2: Convert to fraction form
    109,793.45/151,515.27 = 59,492.45/x
  3. Step 3: Cross multiply
    109,793.45x = 151,515.27 × 59,492.45
  4. Step 4: Simplify right side
    109,793.45x = 9,014,013,867.14
  5. Step 5: Solve for x
    x = 9,014,013,867.14/109,793.45
  6. Step 6: Final answer
    x = 82,099.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.