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Finding the Fourth Proportional to 74,907,092.80, 112,360,639.20 and 23,794,278.40

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Solution

The fourth proportional to 74,907,092.80, 112,360,639.20 and 23,794,278.40 is: 35,691,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,907,092.80 : 112,360,639.20 = 23,794,278.40 : x
  2. Step 2: Convert to fraction form
    74,907,092.80/112,360,639.20 = 23,794,278.40/x
  3. Step 3: Cross multiply
    74,907,092.80x = 112,360,639.20 × 23,794,278.40
  4. Step 4: Simplify right side
    74,907,092.80x = 2,673,540,330,326,753
  5. Step 5: Solve for x
    x = 2,673,540,330,326,753/74,907,092.80
  6. Step 6: Final answer
    x = 35,691,417.60

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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.