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Finding the Fourth Proportional to 196,236,420.70, 293,716,901.85 and 196,236,420.70

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Solution

The fourth proportional to 196,236,420.70, 293,716,901.85 and 196,236,420.70 is: 293,716,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,236,420.70 : 293,716,901.85 = 196,236,420.70 : x
  2. Step 2: Convert to fraction form
    196,236,420.70/293,716,901.85 = 196,236,420.70/x
  3. Step 3: Cross multiply
    196,236,420.70x = 293,716,901.85 × 196,236,420.70
  4. Step 4: Simplify right side
    196,236,420.70x = 57,637,953,518,137,208
  5. Step 5: Solve for x
    x = 57,637,953,518,137,208/196,236,420.70
  6. Step 6: Final answer
    x = 293,716,901.85

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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.