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Finding the Fourth Proportional to 32,867,892.90, 49,207,360.95 and 20,113,308.90

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Solution

The fourth proportional to 32,867,892.90, 49,207,360.95 and 20,113,308.90 is: 30,112,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,867,892.90 : 49,207,360.95 = 20,113,308.90 : x
  2. Step 2: Convert to fraction form
    32,867,892.90/49,207,360.95 = 20,113,308.90/x
  3. Step 3: Cross multiply
    32,867,892.90x = 49,207,360.95 × 20,113,308.90
  4. Step 4: Simplify right side
    32,867,892.90x = 989,722,850,941,147.50
  5. Step 5: Solve for x
    x = 989,722,850,941,147.50/32,867,892.90
  6. Step 6: Final answer
    x = 30,112,147.86

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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.