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Finding the Fourth Proportional to 67,809,295.80, 93,574,269.90 and 36,868,397.40

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Solution

The fourth proportional to 67,809,295.80, 93,574,269.90 and 36,868,397.40 is: 50,876,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,809,295.80 : 93,574,269.90 = 36,868,397.40 : x
  2. Step 2: Convert to fraction form
    67,809,295.80/93,574,269.90 = 36,868,397.40/x
  3. Step 3: Cross multiply
    67,809,295.80x = 93,574,269.90 × 36,868,397.40
  4. Step 4: Simplify right side
    67,809,295.80x = 3,449,933,369,088,058.50
  5. Step 5: Solve for x
    x = 3,449,933,369,088,058.50/67,809,295.80
  6. Step 6: Final answer
    x = 50,876,997.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.