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Finding the Fourth Proportional to 171,585.60, 236,788.16 and 96,134.72

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Solution

The fourth proportional to 171,585.60, 236,788.16 and 96,134.72 is: 132,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,585.60 : 236,788.16 = 96,134.72 : x
  2. Step 2: Convert to fraction form
    171,585.60/236,788.16 = 96,134.72/x
  3. Step 3: Cross multiply
    171,585.60x = 236,788.16 × 96,134.72
  4. Step 4: Simplify right side
    171,585.60x = 22,763,563,460.92
  5. Step 5: Solve for x
    x = 22,763,563,460.92/171,585.60
  6. Step 6: Final answer
    x = 132,665.93

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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.