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Finding the Fourth Proportional to 238,903.80, 358,480.20 and 96,854.06

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Solution

The fourth proportional to 238,903.80, 358,480.20 and 96,854.06 is: 145,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,903.80 : 358,480.20 = 96,854.06 : x
  2. Step 2: Convert to fraction form
    238,903.80/358,480.20 = 96,854.06/x
  3. Step 3: Cross multiply
    238,903.80x = 358,480.20 × 96,854.06
  4. Step 4: Simplify right side
    238,903.80x = 34,720,261,007.21
  5. Step 5: Solve for x
    x = 34,720,261,007.21/238,903.80
  6. Step 6: Final answer
    x = 145,331.56

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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.