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Finding the Fourth Proportional to 109,402.75, 150,975.93 and 59,101.75

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Solution

The fourth proportional to 109,402.75, 150,975.93 and 59,101.75 is: 81,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,402.75 : 150,975.93 = 59,101.75 : x
  2. Step 2: Convert to fraction form
    109,402.75/150,975.93 = 59,101.75/x
  3. Step 3: Cross multiply
    109,402.75x = 150,975.93 × 59,101.75
  4. Step 4: Simplify right side
    109,402.75x = 8,922,941,670.88
  5. Step 5: Solve for x
    x = 8,922,941,670.88/109,402.75
  6. Step 6: Final answer
    x = 81,560.49

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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.