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Finding the Fourth Proportional to 162,791.22, 243,793.14 and 140,746.26

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Solution

The fourth proportional to 162,791.22, 243,793.14 and 140,746.26 is: 210,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,791.22 : 243,793.14 = 140,746.26 : x
  2. Step 2: Convert to fraction form
    162,791.22/243,793.14 = 140,746.26/x
  3. Step 3: Cross multiply
    162,791.22x = 243,793.14 × 140,746.26
  4. Step 4: Simplify right side
    162,791.22x = 34,312,972,668.66
  5. Step 5: Solve for x
    x = 34,312,972,668.66/162,791.22
  6. Step 6: Final answer
    x = 210,779.01

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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.