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Finding the Fourth Proportional to 67,798,638.70, 101,697,958.05 and 60,366,856.30

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Solution

The fourth proportional to 67,798,638.70, 101,697,958.05 and 60,366,856.30 is: 90,550,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,798,638.70 : 101,697,958.05 = 60,366,856.30 : x
  2. Step 2: Convert to fraction form
    67,798,638.70/101,697,958.05 = 60,366,856.30/x
  3. Step 3: Cross multiply
    67,798,638.70x = 101,697,958.05 × 60,366,856.30
  4. Step 4: Simplify right side
    67,798,638.70x = 6,139,186,019,607,778
  5. Step 5: Solve for x
    x = 6,139,186,019,607,778/67,798,638.70
  6. Step 6: Final answer
    x = 90,550,284.45

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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.