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Finding the Fourth Proportional to 66,856,470.40, 100,284,705.60 and 66,856,470.40

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Solution

The fourth proportional to 66,856,470.40, 100,284,705.60 and 66,856,470.40 is: 100,284,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,856,470.40 : 100,284,705.60 = 66,856,470.40 : x
  2. Step 2: Convert to fraction form
    66,856,470.40/100,284,705.60 = 66,856,470.40/x
  3. Step 3: Cross multiply
    66,856,470.40x = 100,284,705.60 × 66,856,470.40
  4. Step 4: Simplify right side
    66,856,470.40x = 6,704,681,451,519,114
  5. Step 5: Solve for x
    x = 6,704,681,451,519,114/66,856,470.40
  6. Step 6: Final answer
    x = 100,284,705.60

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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.