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Finding the Fourth Proportional to 118,896.16, 164,078.03 and 67,915.62

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Solution

The fourth proportional to 118,896.16, 164,078.03 and 67,915.62 is: 93,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,896.16 : 164,078.03 = 67,915.62 : x
  2. Step 2: Convert to fraction form
    118,896.16/164,078.03 = 67,915.62/x
  3. Step 3: Cross multiply
    118,896.16x = 164,078.03 × 67,915.62
  4. Step 4: Simplify right side
    118,896.16x = 11,143,461,305.62
  5. Step 5: Solve for x
    x = 11,143,461,305.62/118,896.16
  6. Step 6: Final answer
    x = 93,724.32

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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.