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Finding the Fourth Proportional to 162,410.40, 243,615.60 and 153,399.20

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Solution

The fourth proportional to 162,410.40, 243,615.60 and 153,399.20 is: 230,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,410.40 : 243,615.60 = 153,399.20 : x
  2. Step 2: Convert to fraction form
    162,410.40/243,615.60 = 153,399.20/x
  3. Step 3: Cross multiply
    162,410.40x = 243,615.60 × 153,399.20
  4. Step 4: Simplify right side
    162,410.40x = 37,370,438,147.52
  5. Step 5: Solve for x
    x = 37,370,438,147.52/162,410.40
  6. Step 6: Final answer
    x = 230,098.80

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