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Finding the Fourth Proportional to 64,379,701.80, 96,569,552.70 and 52,286,466.60

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Solution

The fourth proportional to 64,379,701.80, 96,569,552.70 and 52,286,466.60 is: 78,429,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379,701.80 : 96,569,552.70 = 52,286,466.60 : x
  2. Step 2: Convert to fraction form
    64,379,701.80/96,569,552.70 = 52,286,466.60/x
  3. Step 3: Cross multiply
    64,379,701.80x = 96,569,552.70 × 52,286,466.60
  4. Step 4: Simplify right side
    64,379,701.80x = 5,049,280,691,825,490
  5. Step 5: Solve for x
    x = 5,049,280,691,825,490/64,379,701.80
  6. Step 6: Final answer
    x = 78,429,699.90

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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.