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Finding the Fourth Proportional to 114,401.64, 171,595.62 and 67,950.12

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Solution

The fourth proportional to 114,401.64, 171,595.62 and 67,950.12 is: 101,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,401.64 : 171,595.62 = 67,950.12 : x
  2. Step 2: Convert to fraction form
    114,401.64/171,595.62 = 67,950.12/x
  3. Step 3: Cross multiply
    114,401.64x = 171,595.62 × 67,950.12
  4. Step 4: Simplify right side
    114,401.64x = 11,659,942,970.47
  5. Step 5: Solve for x
    x = 11,659,942,970.47/114,401.64
  6. Step 6: Final answer
    x = 101,921.12

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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.