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Finding the Fourth Proportional to 235,336.10, 352,785.45 and 164,258.60

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Solution

The fourth proportional to 235,336.10, 352,785.45 and 164,258.60 is: 246,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,336.10 : 352,785.45 = 164,258.60 : x
  2. Step 2: Convert to fraction form
    235,336.10/352,785.45 = 164,258.60/x
  3. Step 3: Cross multiply
    235,336.10x = 352,785.45 × 164,258.60
  4. Step 4: Simplify right side
    235,336.10x = 57,948,044,117.37
  5. Step 5: Solve for x
    x = 57,948,044,117.37/235,336.10
  6. Step 6: Final answer
    x = 246,235.25

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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.