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Finding the Fourth Proportional to 186,068.62, 256,893.33 and 122,516.02

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Solution

The fourth proportional to 186,068.62, 256,893.33 and 122,516.02 is: 169,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,068.62 : 256,893.33 = 122,516.02 : x
  2. Step 2: Convert to fraction form
    186,068.62/256,893.33 = 122,516.02/x
  3. Step 3: Cross multiply
    186,068.62x = 256,893.33 × 122,516.02
  4. Step 4: Simplify right side
    186,068.62x = 31,473,548,356.15
  5. Step 5: Solve for x
    x = 31,473,548,356.15/186,068.62
  6. Step 6: Final answer
    x = 169,150.22

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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.