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Finding the Fourth Proportional to 171,090, 236,207.88 and 111,577.68

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Solution

The fourth proportional to 171,090, 236,207.88 and 111,577.68 is: 154,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,090 : 236,207.88 = 111,577.68 : x
  2. Step 2: Convert to fraction form
    171,090/236,207.88 = 111,577.68/x
  3. Step 3: Cross multiply
    171,090x = 236,207.88 × 111,577.68
  4. Step 4: Simplify right side
    171,090x = 26,355,527,248.12
  5. Step 5: Solve for x
    x = 26,355,527,248.12/171,090
  6. Step 6: Final answer
    x = 154,044.81

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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.