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Finding the Fourth Proportional to 147,403, 203,448.99 and 93,677.50

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Solution

The fourth proportional to 147,403, 203,448.99 and 93,677.50 is: 129,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403 : 203,448.99 = 93,677.50 : x
  2. Step 2: Convert to fraction form
    147,403/203,448.99 = 93,677.50/x
  3. Step 3: Cross multiply
    147,403x = 203,448.99 × 93,677.50
  4. Step 4: Simplify right side
    147,403x = 19,058,592,760.73
  5. Step 5: Solve for x
    x = 19,058,592,760.73/147,403
  6. Step 6: Final answer
    x = 129,295.83

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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.