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Finding the Fourth Proportional to 60,691,805.05, 91,037,707.58 and 60,691,805.05

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Solution

The fourth proportional to 60,691,805.05, 91,037,707.58 and 60,691,805.05 is: 91,037,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691,805.05 : 91,037,707.58 = 60,691,805.05 : x
  2. Step 2: Convert to fraction form
    60,691,805.05/91,037,707.58 = 60,691,805.05/x
  3. Step 3: Cross multiply
    60,691,805.05x = 91,037,707.58 × 60,691,805.05
  4. Step 4: Simplify right side
    60,691,805.05x = 5,525,242,800,644,267
  5. Step 5: Solve for x
    x = 5,525,242,800,644,267/60,691,805.05
  6. Step 6: Final answer
    x = 91,037,707.58

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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.