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Finding the Fourth Proportional to 43,647,802.12, 65,471,691.66 and 14,893,935.40

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Solution

The fourth proportional to 43,647,802.12, 65,471,691.66 and 14,893,935.40 is: 22,340,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647,802.12 : 65,471,691.66 = 14,893,935.40 : x
  2. Step 2: Convert to fraction form
    43,647,802.12/65,471,691.66 = 14,893,935.40/x
  3. Step 3: Cross multiply
    43,647,802.12x = 65,471,691.66 × 14,893,935.40
  4. Step 4: Simplify right side
    43,647,802.12x = 975,131,146,112,758.75
  5. Step 5: Solve for x
    x = 975,131,146,112,758.75/43,647,802.12
  6. Step 6: Final answer
    x = 22,340,899.17

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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.