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Finding the Fourth Proportional to 123,774.75, 170,853.44 and 73,473.75

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Solution

The fourth proportional to 123,774.75, 170,853.44 and 73,473.75 is: 101,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,774.75 : 170,853.44 = 73,473.75 : x
  2. Step 2: Convert to fraction form
    123,774.75/170,853.44 = 73,473.75/x
  3. Step 3: Cross multiply
    123,774.75x = 170,853.44 × 73,473.75
  4. Step 4: Simplify right side
    123,774.75x = 12,553,242,569.83
  5. Step 5: Solve for x
    x = 12,553,242,569.83/123,774.75
  6. Step 6: Final answer
    x = 101,420.06

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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.