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Finding the Fourth Proportional to 110,906.55, 153,078.24 and 63,188.04

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Solution

The fourth proportional to 110,906.55, 153,078.24 and 63,188.04 is: 87,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,906.55 : 153,078.24 = 63,188.04 : x
  2. Step 2: Convert to fraction form
    110,906.55/153,078.24 = 63,188.04/x
  3. Step 3: Cross multiply
    110,906.55x = 153,078.24 × 63,188.04
  4. Step 4: Simplify right side
    110,906.55x = 9,672,713,952.25
  5. Step 5: Solve for x
    x = 9,672,713,952.25/110,906.55
  6. Step 6: Final answer
    x = 87,214.99

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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.