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Finding the Fourth Proportional to 157,352.60, 217,228.83 and 122,823.29

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Solution

The fourth proportional to 157,352.60, 217,228.83 and 122,823.29 is: 169,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,352.60 : 217,228.83 = 122,823.29 : x
  2. Step 2: Convert to fraction form
    157,352.60/217,228.83 = 122,823.29/x
  3. Step 3: Cross multiply
    157,352.60x = 217,228.83 × 122,823.29
  4. Step 4: Simplify right side
    157,352.60x = 26,680,759,583.45
  5. Step 5: Solve for x
    x = 26,680,759,583.45/157,352.60
  6. Step 6: Final answer
    x = 169,560.34

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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.