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Finding the Fourth Proportional to 59,890,046.40, 89,709,098.40 and 49,812,350.40

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Solution

The fourth proportional to 59,890,046.40, 89,709,098.40 and 49,812,350.40 is: 74,613,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,890,046.40 : 89,709,098.40 = 49,812,350.40 : x
  2. Step 2: Convert to fraction form
    59,890,046.40/89,709,098.40 = 49,812,350.40/x
  3. Step 3: Cross multiply
    59,890,046.40x = 89,709,098.40 × 49,812,350.40
  4. Step 4: Simplify right side
    59,890,046.40x = 4,468,621,043,568,879.50
  5. Step 5: Solve for x
    x = 4,468,621,043,568,879.50/59,890,046.40
  6. Step 6: Final answer
    x = 74,613,751.57

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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.