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Finding the Fourth Proportional to 66,059,660.40, 99,089,490.60 and 66,059,660.40

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Solution

The fourth proportional to 66,059,660.40, 99,089,490.60 and 66,059,660.40 is: 99,089,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,059,660.40 : 99,089,490.60 = 66,059,660.40 : x
  2. Step 2: Convert to fraction form
    66,059,660.40/99,089,490.60 = 66,059,660.40/x
  3. Step 3: Cross multiply
    66,059,660.40x = 99,089,490.60 × 66,059,660.40
  4. Step 4: Simplify right side
    66,059,660.40x = 6,545,818,098,244,992
  5. Step 5: Solve for x
    x = 6,545,818,098,244,992/66,059,660.40
  6. Step 6: Final answer
    x = 99,089,490.60

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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.