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Finding the Fourth Proportional to 236,507.52, 354,631.14 and 161,712.12

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Solution

The fourth proportional to 236,507.52, 354,631.14 and 161,712.12 is: 242,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,507.52 : 354,631.14 = 161,712.12 : x
  2. Step 2: Convert to fraction form
    236,507.52/354,631.14 = 161,712.12/x
  3. Step 3: Cross multiply
    236,507.52x = 354,631.14 × 161,712.12
  4. Step 4: Simplify right side
    236,507.52x = 57,348,153,467.42
  5. Step 5: Solve for x
    x = 57,348,153,467.42/236,507.52
  6. Step 6: Final answer
    x = 242,479.20

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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.