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Finding the Fourth Proportional to 194,663.87, 291,993.95 and 61,544.11

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Solution

The fourth proportional to 194,663.87, 291,993.95 and 61,544.11 is: 92,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,663.87 : 291,993.95 = 61,544.11 : x
  2. Step 2: Convert to fraction form
    194,663.87/291,993.95 = 61,544.11/x
  3. Step 3: Cross multiply
    194,663.87x = 291,993.95 × 61,544.11
  4. Step 4: Simplify right side
    194,663.87x = 17,970,507,931.99
  5. Step 5: Solve for x
    x = 17,970,507,931.99/194,663.87
  6. Step 6: Final answer
    x = 92,315.58

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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.