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Finding the Fourth Proportional to 242,058.72, 362,840.40 and 84,157.44

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Solution

The fourth proportional to 242,058.72, 362,840.40 and 84,157.44 is: 126,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,058.72 : 362,840.40 = 84,157.44 : x
  2. Step 2: Convert to fraction form
    242,058.72/362,840.40 = 84,157.44/x
  3. Step 3: Cross multiply
    242,058.72x = 362,840.40 × 84,157.44
  4. Step 4: Simplify right side
    242,058.72x = 30,535,719,192.58
  5. Step 5: Solve for x
    x = 30,535,719,192.58/242,058.72
  6. Step 6: Final answer
    x = 126,150.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.