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Finding the Fourth Proportional to 118,296.84, 163,252.11 and 64,584.12

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Solution

The fourth proportional to 118,296.84, 163,252.11 and 64,584.12 is: 89,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,296.84 : 163,252.11 = 64,584.12 : x
  2. Step 2: Convert to fraction form
    118,296.84/163,252.11 = 64,584.12/x
  3. Step 3: Cross multiply
    118,296.84x = 163,252.11 × 64,584.12
  4. Step 4: Simplify right side
    118,296.84x = 10,543,493,292.90
  5. Step 5: Solve for x
    x = 10,543,493,292.90/118,296.84
  6. Step 6: Final answer
    x = 89,127.43

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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.