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Finding the Fourth Proportional to 32,867,793.60, 49,301,690.40 and 20,113,209.60

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Solution

The fourth proportional to 32,867,793.60, 49,301,690.40 and 20,113,209.60 is: 30,169,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,867,793.60 : 49,301,690.40 = 20,113,209.60 : x
  2. Step 2: Convert to fraction form
    32,867,793.60/49,301,690.40 = 20,113,209.60/x
  3. Step 3: Cross multiply
    32,867,793.60x = 49,301,690.40 × 20,113,209.60
  4. Step 4: Simplify right side
    32,867,793.60x = 991,615,232,649,507.88
  5. Step 5: Solve for x
    x = 991,615,232,649,507.88/32,867,793.60
  6. Step 6: Final answer
    x = 30,169,814.40

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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.