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Finding the Fourth Proportional to 60,433,991.70, 90,650,987.55 and 60,433,991.70

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Solution

The fourth proportional to 60,433,991.70, 90,650,987.55 and 60,433,991.70 is: 90,650,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,433,991.70 : 90,650,987.55 = 60,433,991.70 : x
  2. Step 2: Convert to fraction form
    60,433,991.70/90,650,987.55 = 60,433,991.70/x
  3. Step 3: Cross multiply
    60,433,991.70x = 90,650,987.55 × 60,433,991.70
  4. Step 4: Simplify right side
    60,433,991.70x = 5,478,401,029,193,503
  5. Step 5: Solve for x
    x = 5,478,401,029,193,503/60,433,991.70
  6. Step 6: Final answer
    x = 90,650,987.55

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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.