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Finding the Fourth Proportional to 67,798,639.20, 101,697,958.80 and 60,366,856.80

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Solution

The fourth proportional to 67,798,639.20, 101,697,958.80 and 60,366,856.80 is: 90,550,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,798,639.20 : 101,697,958.80 = 60,366,856.80 : x
  2. Step 2: Convert to fraction form
    67,798,639.20/101,697,958.80 = 60,366,856.80/x
  3. Step 3: Cross multiply
    67,798,639.20x = 101,697,958.80 × 60,366,856.80
  4. Step 4: Simplify right side
    67,798,639.20x = 6,139,186,115,731,899
  5. Step 5: Solve for x
    x = 6,139,186,115,731,899/67,798,639.20
  6. Step 6: Final answer
    x = 90,550,285.20

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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.