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Finding the Fourth Proportional to 163,035.70, 244,553.55 and 118,420.90

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Solution

The fourth proportional to 163,035.70, 244,553.55 and 118,420.90 is: 177,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,035.70 : 244,553.55 = 118,420.90 : x
  2. Step 2: Convert to fraction form
    163,035.70/244,553.55 = 118,420.90/x
  3. Step 3: Cross multiply
    163,035.70x = 244,553.55 × 118,420.90
  4. Step 4: Simplify right side
    163,035.70x = 28,960,251,489.20
  5. Step 5: Solve for x
    x = 28,960,251,489.20/163,035.70
  6. Step 6: Final answer
    x = 177,631.35

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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.