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Finding the Fourth Proportional to 201,476.72, 278,007.03 and 116,577.38

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Solution

The fourth proportional to 201,476.72, 278,007.03 and 116,577.38 is: 160,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,476.72 : 278,007.03 = 116,577.38 : x
  2. Step 2: Convert to fraction form
    201,476.72/278,007.03 = 116,577.38/x
  3. Step 3: Cross multiply
    201,476.72x = 278,007.03 × 116,577.38
  4. Step 4: Simplify right side
    201,476.72x = 32,409,329,788.95
  5. Step 5: Solve for x
    x = 32,409,329,788.95/201,476.72
  6. Step 6: Final answer
    x = 160,858.93

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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.