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Finding the Fourth Proportional to 377,686.01, 566,544.65 and 111,446.52

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Solution

The fourth proportional to 377,686.01, 566,544.65 and 111,446.52 is: 167,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,686.01 : 566,544.65 = 111,446.52 : x
  2. Step 2: Convert to fraction form
    377,686.01/566,544.65 = 111,446.52/x
  3. Step 3: Cross multiply
    377,686.01x = 566,544.65 × 111,446.52
  4. Step 4: Simplify right side
    377,686.01x = 63,139,429,667.12
  5. Step 5: Solve for x
    x = 63,139,429,667.12/377,686.01
  6. Step 6: Final answer
    x = 167,174.39

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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.