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Finding the Fourth Proportional to 64,749,251.80, 97,123,877.70 and 16,880,195.80

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Solution

The fourth proportional to 64,749,251.80, 97,123,877.70 and 16,880,195.80 is: 25,320,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,749,251.80 : 97,123,877.70 = 16,880,195.80 : x
  2. Step 2: Convert to fraction form
    64,749,251.80/97,123,877.70 = 16,880,195.80/x
  3. Step 3: Cross multiply
    64,749,251.80x = 97,123,877.70 × 16,880,195.80
  4. Step 4: Simplify right side
    64,749,251.80x = 1,639,470,072,431,253.75
  5. Step 5: Solve for x
    x = 1,639,470,072,431,253.75/64,749,251.80
  6. Step 6: Final answer
    x = 25,320,293.70

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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.