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Finding the Fourth Proportional to 80,734,064.70, 121,101,097.06 and 80,734,064.70

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Solution

The fourth proportional to 80,734,064.70, 121,101,097.06 and 80,734,064.70 is: 121,101,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,734,064.70 : 121,101,097.06 = 80,734,064.70 : x
  2. Step 2: Convert to fraction form
    80,734,064.70/121,101,097.06 = 80,734,064.70/x
  3. Step 3: Cross multiply
    80,734,064.70x = 121,101,097.06 × 80,734,064.70
  4. Step 4: Simplify right side
    80,734,064.70x = 9,776,983,805,283,020
  5. Step 5: Solve for x
    x = 9,776,983,805,283,020/80,734,064.70
  6. Step 6: Final answer
    x = 121,101,097.06

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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.