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Finding the Fourth Proportional to 46,647,130.60, 69,970,695.90 and 22,381,928.20

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Solution

The fourth proportional to 46,647,130.60, 69,970,695.90 and 22,381,928.20 is: 33,572,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,647,130.60 : 69,970,695.90 = 22,381,928.20 : x
  2. Step 2: Convert to fraction form
    46,647,130.60/69,970,695.90 = 22,381,928.20/x
  3. Step 3: Cross multiply
    46,647,130.60x = 69,970,695.90 × 22,381,928.20
  4. Step 4: Simplify right side
    46,647,130.60x = 1,566,079,091,737,834.50
  5. Step 5: Solve for x
    x = 1,566,079,091,737,834.50/46,647,130.60
  6. Step 6: Final answer
    x = 33,572,892.30

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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.