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Finding the Fourth Proportional to 66,433,446.40, 99,650,169.60 and 66,433,446.40

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Solution

The fourth proportional to 66,433,446.40, 99,650,169.60 and 66,433,446.40 is: 99,650,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,446.40 : 99,650,169.60 = 66,433,446.40 : x
  2. Step 2: Convert to fraction form
    66,433,446.40/99,650,169.60 = 66,433,446.40/x
  3. Step 3: Cross multiply
    66,433,446.40x = 99,650,169.60 × 66,433,446.40
  4. Step 4: Simplify right side
    66,433,446.40x = 6,620,104,200,872,509
  5. Step 5: Solve for x
    x = 6,620,104,200,872,509/66,433,446.40
  6. Step 6: Final answer
    x = 99,650,169.60

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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.