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Finding the Fourth Proportional to 59,784,893.70, 89,677,340.55 and 21,450,282.90

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Solution

The fourth proportional to 59,784,893.70, 89,677,340.55 and 21,450,282.90 is: 32,175,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,893.70 : 89,677,340.55 = 21,450,282.90 : x
  2. Step 2: Convert to fraction form
    59,784,893.70/89,677,340.55 = 21,450,282.90/x
  3. Step 3: Cross multiply
    59,784,893.70x = 89,677,340.55 × 21,450,282.90
  4. Step 4: Simplify right side
    59,784,893.70x = 1,923,604,324,517,141.50
  5. Step 5: Solve for x
    x = 1,923,604,324,517,141.50/59,784,893.70
  6. Step 6: Final answer
    x = 32,175,424.35

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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.