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Finding the Fourth Proportional to 193,469.59, 266,975.01 and 107,424.15

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Solution

The fourth proportional to 193,469.59, 266,975.01 and 107,424.15 is: 148,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,469.59 : 266,975.01 = 107,424.15 : x
  2. Step 2: Convert to fraction form
    193,469.59/266,975.01 = 107,424.15/x
  3. Step 3: Cross multiply
    193,469.59x = 266,975.01 × 107,424.15
  4. Step 4: Simplify right side
    193,469.59x = 28,679,563,520.49
  5. Step 5: Solve for x
    x = 28,679,563,520.49/193,469.59
  6. Step 6: Final answer
    x = 148,238.10

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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.