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Finding the Fourth Proportional to 169,426.74, 233,832.54 and 97,805.46

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Solution

The fourth proportional to 169,426.74, 233,832.54 and 97,805.46 is: 134,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,426.74 : 233,832.54 = 97,805.46 : x
  2. Step 2: Convert to fraction form
    169,426.74/233,832.54 = 97,805.46/x
  3. Step 3: Cross multiply
    169,426.74x = 233,832.54 × 97,805.46
  4. Step 4: Simplify right side
    169,426.74x = 22,870,099,137.67
  5. Step 5: Solve for x
    x = 22,870,099,137.67/169,426.74
  6. Step 6: Final answer
    x = 134,985.18

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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.