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Finding the Fourth Proportional to 79,794,321.84, 119,691,482.88 and 61,625,018.52

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Solution

The fourth proportional to 79,794,321.84, 119,691,482.88 and 61,625,018.52 is: 92,437,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794,321.84 : 119,691,482.88 = 61,625,018.52 : x
  2. Step 2: Convert to fraction form
    79,794,321.84/119,691,482.88 = 61,625,018.52/x
  3. Step 3: Cross multiply
    79,794,321.84x = 119,691,482.88 × 61,625,018.52
  4. Step 4: Simplify right side
    79,794,321.84x = 7,375,989,849,166,263
  5. Step 5: Solve for x
    x = 7,375,989,849,166,263/79,794,321.84
  6. Step 6: Final answer
    x = 92,437,527.87

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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.