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Finding the Fourth Proportional to 161,009.66, 241,612.78 and 101,763.74

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Solution

The fourth proportional to 161,009.66, 241,612.78 and 101,763.74 is: 152,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,009.66 : 241,612.78 = 101,763.74 : x
  2. Step 2: Convert to fraction form
    161,009.66/241,612.78 = 101,763.74/x
  3. Step 3: Cross multiply
    161,009.66x = 241,612.78 × 101,763.74
  4. Step 4: Simplify right side
    161,009.66x = 24,587,420,124.60
  5. Step 5: Solve for x
    x = 24,587,420,124.60/161,009.66
  6. Step 6: Final answer
    x = 152,707.73

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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.