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Finding the Fourth Proportional to 48,244,820.40, 67,721,907.60 and 48,244,820.40

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Solution

The fourth proportional to 48,244,820.40, 67,721,907.60 and 48,244,820.40 is: 67,721,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,244,820.40 : 67,721,907.60 = 48,244,820.40 : x
  2. Step 2: Convert to fraction form
    48,244,820.40/67,721,907.60 = 48,244,820.40/x
  3. Step 3: Cross multiply
    48,244,820.40x = 67,721,907.60 × 48,244,820.40
  4. Step 4: Simplify right side
    48,244,820.40x = 3,267,231,269,307,394.50
  5. Step 5: Solve for x
    x = 3,267,231,269,307,394.50/48,244,820.40
  6. Step 6: Final answer
    x = 67,721,907.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.