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Finding the Fourth Proportional to 85,273,617.60, 119,651,803.20 and 85,273,617.60

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Solution

The fourth proportional to 85,273,617.60, 119,651,803.20 and 85,273,617.60 is: 119,651,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,273,617.60 : 119,651,803.20 = 85,273,617.60 : x
  2. Step 2: Convert to fraction form
    85,273,617.60/119,651,803.20 = 85,273,617.60/x
  3. Step 3: Cross multiply
    85,273,617.60x = 119,651,803.20 × 85,273,617.60
  4. Step 4: Simplify right side
    85,273,617.60x = 10,203,142,111,227,256
  5. Step 5: Solve for x
    x = 10,203,142,111,227,256/85,273,617.60
  6. Step 6: Final answer
    x = 119,651,803.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.