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Finding the Fourth Proportional to 216,850.08, 299,246.69 and 120,058.25

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Solution

The fourth proportional to 216,850.08, 299,246.69 and 120,058.25 is: 165,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,850.08 : 299,246.69 = 120,058.25 : x
  2. Step 2: Convert to fraction form
    216,850.08/299,246.69 = 120,058.25/x
  3. Step 3: Cross multiply
    216,850.08x = 299,246.69 × 120,058.25
  4. Step 4: Simplify right side
    216,850.08x = 35,927,033,319.40
  5. Step 5: Solve for x
    x = 35,927,033,319.40/216,850.08
  6. Step 6: Final answer
    x = 165,676.83

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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.