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Finding the Fourth Proportional to 200,681.85, 301,022.78 and 60,440.48

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Solution

The fourth proportional to 200,681.85, 301,022.78 and 60,440.48 is: 90,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,681.85 : 301,022.78 = 60,440.48 : x
  2. Step 2: Convert to fraction form
    200,681.85/301,022.78 = 60,440.48/x
  3. Step 3: Cross multiply
    200,681.85x = 301,022.78 × 60,440.48
  4. Step 4: Simplify right side
    200,681.85x = 18,193,960,975.63
  5. Step 5: Solve for x
    x = 18,193,960,975.63/200,681.85
  6. Step 6: Final answer
    x = 90,660.72

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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.