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Finding the Fourth Proportional to 365,366.41, 548,049.89 and 99,126.91

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Solution

The fourth proportional to 365,366.41, 548,049.89 and 99,126.91 is: 148,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,366.41 : 548,049.89 = 99,126.91 : x
  2. Step 2: Convert to fraction form
    365,366.41/548,049.89 = 99,126.91/x
  3. Step 3: Cross multiply
    365,366.41x = 548,049.89 × 99,126.91
  4. Step 4: Simplify right side
    365,366.41x = 54,326,492,121.54
  5. Step 5: Solve for x
    x = 54,326,492,121.54/365,366.41
  6. Step 6: Final answer
    x = 148,690.44

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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.