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Finding the Fourth Proportional to 157,671.97, 236,367.32 and 57,808.89

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Solution

The fourth proportional to 157,671.97, 236,367.32 and 57,808.89 is: 86,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,671.97 : 236,367.32 = 57,808.89 : x
  2. Step 2: Convert to fraction form
    157,671.97/236,367.32 = 57,808.89/x
  3. Step 3: Cross multiply
    157,671.97x = 236,367.32 × 57,808.89
  4. Step 4: Simplify right side
    157,671.97x = 13,664,132,112.43
  5. Step 5: Solve for x
    x = 13,664,132,112.43/157,671.97
  6. Step 6: Final answer
    x = 86,661.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.