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Finding the Fourth Proportional to 123,762.52, 170,793.66 and 67,174.84

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Solution

The fourth proportional to 123,762.52, 170,793.66 and 67,174.84 is: 92,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,762.52 : 170,793.66 = 67,174.84 : x
  2. Step 2: Convert to fraction form
    123,762.52/170,793.66 = 67,174.84/x
  3. Step 3: Cross multiply
    123,762.52x = 170,793.66 × 67,174.84
  4. Step 4: Simplify right side
    123,762.52x = 11,473,036,783.51
  5. Step 5: Solve for x
    x = 11,473,036,783.51/123,762.52
  6. Step 6: Final answer
    x = 92,702.03

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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.