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Finding the Fourth Proportional to 66,733,363.20, 100,100,044.80 and 59,553,004.80

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Solution

The fourth proportional to 66,733,363.20, 100,100,044.80 and 59,553,004.80 is: 89,329,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733,363.20 : 100,100,044.80 = 59,553,004.80 : x
  2. Step 2: Convert to fraction form
    66,733,363.20/100,100,044.80 = 59,553,004.80/x
  3. Step 3: Cross multiply
    66,733,363.20x = 100,100,044.80 × 59,553,004.80
  4. Step 4: Simplify right side
    66,733,363.20x = 5,961,258,448,454,615
  5. Step 5: Solve for x
    x = 5,961,258,448,454,615/66,733,363.20
  6. Step 6: Final answer
    x = 89,329,507.20

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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.