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Finding the Fourth Proportional to 107,873.60, 162,004.80 and 104,374.40

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Solution

The fourth proportional to 107,873.60, 162,004.80 and 104,374.40 is: 156,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,873.60 : 162,004.80 = 104,374.40 : x
  2. Step 2: Convert to fraction form
    107,873.60/162,004.80 = 104,374.40/x
  3. Step 3: Cross multiply
    107,873.60x = 162,004.80 × 104,374.40
  4. Step 4: Simplify right side
    107,873.60x = 16,909,153,797.12
  5. Step 5: Solve for x
    x = 16,909,153,797.12/107,873.60
  6. Step 6: Final answer
    x = 156,749.69

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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.