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Finding the Fourth Proportional to 60,489,119.60, 90,733,679.40 and 60,489,119.60

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Solution

The fourth proportional to 60,489,119.60, 90,733,679.40 and 60,489,119.60 is: 90,733,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489,119.60 : 90,733,679.40 = 60,489,119.60 : x
  2. Step 2: Convert to fraction form
    60,489,119.60/90,733,679.40 = 60,489,119.60/x
  3. Step 3: Cross multiply
    60,489,119.60x = 90,733,679.40 × 60,489,119.60
  4. Step 4: Simplify right side
    60,489,119.60x = 5,488,400,384,974,657
  5. Step 5: Solve for x
    x = 5,488,400,384,974,657/60,489,119.60
  6. Step 6: Final answer
    x = 90,733,679.40

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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.