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Finding the Fourth Proportional to 208,184.67, 287,278.11 and 117,562.68

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Solution

The fourth proportional to 208,184.67, 287,278.11 and 117,562.68 is: 162,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,184.67 : 287,278.11 = 117,562.68 : x
  2. Step 2: Convert to fraction form
    208,184.67/287,278.11 = 117,562.68/x
  3. Step 3: Cross multiply
    208,184.67x = 287,278.11 × 117,562.68
  4. Step 4: Simplify right side
    208,184.67x = 33,773,184,516.93
  5. Step 5: Solve for x
    x = 33,773,184,516.93/208,184.67
  6. Step 6: Final answer
    x = 162,227.05

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1.5x scale

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.