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Finding the Fourth Proportional to 114,268.88, 171,468.95 and 89,238.66

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Solution

The fourth proportional to 114,268.88, 171,468.95 and 89,238.66 is: 133,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,268.88 : 171,468.95 = 89,238.66 : x
  2. Step 2: Convert to fraction form
    114,268.88/171,468.95 = 89,238.66/x
  3. Step 3: Cross multiply
    114,268.88x = 171,468.95 × 89,238.66
  4. Step 4: Simplify right side
    114,268.88x = 15,301,658,883.41
  5. Step 5: Solve for x
    x = 15,301,658,883.41/114,268.88
  6. Step 6: Final answer
    x = 133,909.25

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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.