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Finding the Fourth Proportional to 161,089.60, 241,634.40 and 111,323.20

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Solution

The fourth proportional to 161,089.60, 241,634.40 and 111,323.20 is: 166,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,089.60 : 241,634.40 = 111,323.20 : x
  2. Step 2: Convert to fraction form
    161,089.60/241,634.40 = 111,323.20/x
  3. Step 3: Cross multiply
    161,089.60x = 241,634.40 × 111,323.20
  4. Step 4: Simplify right side
    161,089.60x = 26,899,514,638.08
  5. Step 5: Solve for x
    x = 26,899,514,638.08/161,089.60
  6. Step 6: Final answer
    x = 166,984.80

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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.