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Finding the Fourth Proportional to 191,597.55, 264,409.29 and 106,716.03

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Solution

The fourth proportional to 191,597.55, 264,409.29 and 106,716.03 is: 147,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,597.55 : 264,409.29 = 106,716.03 : x
  2. Step 2: Convert to fraction form
    191,597.55/264,409.29 = 106,716.03/x
  3. Step 3: Cross multiply
    191,597.55x = 264,409.29 × 106,716.03
  4. Step 4: Simplify right side
    191,597.55x = 28,216,709,723.92
  5. Step 5: Solve for x
    x = 28,216,709,723.92/191,597.55
  6. Step 6: Final answer
    x = 147,270.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.