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Finding the Fourth Proportional to 60,691,806.05, 91,037,709.08 and 60,691,806.05

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Solution

The fourth proportional to 60,691,806.05, 91,037,709.08 and 60,691,806.05 is: 91,037,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691,806.05 : 91,037,709.08 = 60,691,806.05 : x
  2. Step 2: Convert to fraction form
    60,691,806.05/91,037,709.08 = 60,691,806.05/x
  3. Step 3: Cross multiply
    60,691,806.05x = 91,037,709.08 × 60,691,806.05
  4. Step 4: Simplify right side
    60,691,806.05x = 5,525,242,982,719,684
  5. Step 5: Solve for x
    x = 5,525,242,982,719,684/60,691,806.05
  6. Step 6: Final answer
    x = 91,037,709.08

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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.