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Finding the Fourth Proportional to 169,798.29, 234,310.23 and 93,315.74

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Solution

The fourth proportional to 169,798.29, 234,310.23 and 93,315.74 is: 128,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,798.29 : 234,310.23 = 93,315.74 : x
  2. Step 2: Convert to fraction form
    169,798.29/234,310.23 = 93,315.74/x
  3. Step 3: Cross multiply
    169,798.29x = 234,310.23 × 93,315.74
  4. Step 4: Simplify right side
    169,798.29x = 21,864,831,330.47
  5. Step 5: Solve for x
    x = 21,864,831,330.47/169,798.29
  6. Step 6: Final answer
    x = 128,769.44

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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.