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Finding the Fourth Proportional to 123,952.70, 171,054.66 and 67,364.12

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Solution

The fourth proportional to 123,952.70, 171,054.66 and 67,364.12 is: 92,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,952.70 : 171,054.66 = 67,364.12 : x
  2. Step 2: Convert to fraction form
    123,952.70/171,054.66 = 67,364.12/x
  3. Step 3: Cross multiply
    123,952.70x = 171,054.66 × 67,364.12
  4. Step 4: Simplify right side
    123,952.70x = 11,522,946,642.80
  5. Step 5: Solve for x
    x = 11,522,946,642.80/123,952.70
  6. Step 6: Final answer
    x = 92,962.45

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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.