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Finding the Fourth Proportional to 144,818.94, 199,841.91 and 84,399.42

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Solution

The fourth proportional to 144,818.94, 199,841.91 and 84,399.42 is: 116,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,818.94 : 199,841.91 = 84,399.42 : x
  2. Step 2: Convert to fraction form
    144,818.94/199,841.91 = 84,399.42/x
  3. Step 3: Cross multiply
    144,818.94x = 199,841.91 × 84,399.42
  4. Step 4: Simplify right side
    144,818.94x = 16,866,541,295.69
  5. Step 5: Solve for x
    x = 16,866,541,295.69/144,818.94
  6. Step 6: Final answer
    x = 116,466.40

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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.