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Finding the Fourth Proportional to 200,124.41, 300,186.61 and 94,885.97

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Solution

The fourth proportional to 200,124.41, 300,186.61 and 94,885.97 is: 142,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,124.41 : 300,186.61 = 94,885.97 : x
  2. Step 2: Convert to fraction form
    200,124.41/300,186.61 = 94,885.97/x
  3. Step 3: Cross multiply
    200,124.41x = 300,186.61 × 94,885.97
  4. Step 4: Simplify right side
    200,124.41x = 28,483,495,932.71
  5. Step 5: Solve for x
    x = 28,483,495,932.71/200,124.41
  6. Step 6: Final answer
    x = 142,328.95

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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.