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Finding the Fourth Proportional to 255,615.49, 352,707.87 and 148,164.52

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Solution

The fourth proportional to 255,615.49, 352,707.87 and 148,164.52 is: 204,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,615.49 : 352,707.87 = 148,164.52 : x
  2. Step 2: Convert to fraction form
    255,615.49/352,707.87 = 148,164.52/x
  3. Step 3: Cross multiply
    255,615.49x = 352,707.87 × 148,164.52
  4. Step 4: Simplify right side
    255,615.49x = 52,258,792,258.77
  5. Step 5: Solve for x
    x = 52,258,792,258.77/255,615.49
  6. Step 6: Final answer
    x = 204,442.98

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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.