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Finding the Fourth Proportional to 114,319.98, 171,422.26 and 66,950.17

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Solution

The fourth proportional to 114,319.98, 171,422.26 and 66,950.17 is: 100,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,319.98 : 171,422.26 = 66,950.17 : x
  2. Step 2: Convert to fraction form
    114,319.98/171,422.26 = 66,950.17/x
  3. Step 3: Cross multiply
    114,319.98x = 171,422.26 × 66,950.17
  4. Step 4: Simplify right side
    114,319.98x = 11,476,748,852.85
  5. Step 5: Solve for x
    x = 11,476,748,852.85/114,319.98
  6. Step 6: Final answer
    x = 100,391.45

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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.