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Finding the Fourth Proportional to 123,955.36, 171,053.58 and 67,365.52

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Solution

The fourth proportional to 123,955.36, 171,053.58 and 67,365.52 is: 92,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,955.36 : 171,053.58 = 67,365.52 : x
  2. Step 2: Convert to fraction form
    123,955.36/171,053.58 = 67,365.52/x
  3. Step 3: Cross multiply
    123,955.36x = 171,053.58 × 67,365.52
  4. Step 4: Simplify right side
    123,955.36x = 11,523,113,364.56
  5. Step 5: Solve for x
    x = 11,523,113,364.56/123,955.36
  6. Step 6: Final answer
    x = 92,961.80

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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.