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Finding the Fourth Proportional to 161,308.80, 241,798.08 and 157,261.44

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Solution

The fourth proportional to 161,308.80, 241,798.08 and 157,261.44 is: 235,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,308.80 : 241,798.08 = 157,261.44 : x
  2. Step 2: Convert to fraction form
    161,308.80/241,798.08 = 157,261.44/x
  3. Step 3: Cross multiply
    161,308.80x = 241,798.08 × 157,261.44
  4. Step 4: Simplify right side
    161,308.80x = 38,025,514,250.04
  5. Step 5: Solve for x
    x = 38,025,514,250.04/161,308.80
  6. Step 6: Final answer
    x = 235,731.18

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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.