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Finding the Fourth Proportional to 123,646.08, 170,632.08 and 67,058.40

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Solution

The fourth proportional to 123,646.08, 170,632.08 and 67,058.40 is: 92,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,646.08 : 170,632.08 = 67,058.40 : x
  2. Step 2: Convert to fraction form
    123,646.08/170,632.08 = 67,058.40/x
  3. Step 3: Cross multiply
    123,646.08x = 170,632.08 × 67,058.40
  4. Step 4: Simplify right side
    123,646.08x = 11,442,314,273.47
  5. Step 5: Solve for x
    x = 11,442,314,273.47/123,646.08
  6. Step 6: Final answer
    x = 92,540.86

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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.