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Finding the Fourth Proportional to 64,367,977.60, 96,663,940.80 and 34,134,889.60

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Solution

The fourth proportional to 64,367,977.60, 96,663,940.80 and 34,134,889.60 is: 51,261,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,367,977.60 : 96,663,940.80 = 34,134,889.60 : x
  2. Step 2: Convert to fraction form
    64,367,977.60/96,663,940.80 = 34,134,889.60/x
  3. Step 3: Cross multiply
    64,367,977.60x = 96,663,940.80 × 34,134,889.60
  4. Step 4: Simplify right side
    64,367,977.60x = 3,299,612,947,508,935.50
  5. Step 5: Solve for x
    x = 3,299,612,947,508,935.50/64,367,977.60
  6. Step 6: Final answer
    x = 51,261,715.38

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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.