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Finding the Fourth Proportional to 169,849.94, 234,398.16 and 93,374.88

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Solution

The fourth proportional to 169,849.94, 234,398.16 and 93,374.88 is: 128,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,849.94 : 234,398.16 = 93,374.88 : x
  2. Step 2: Convert to fraction form
    169,849.94/234,398.16 = 93,374.88/x
  3. Step 3: Cross multiply
    169,849.94x = 234,398.16 × 93,374.88
  4. Step 4: Simplify right side
    169,849.94x = 21,886,900,062.22
  5. Step 5: Solve for x
    x = 21,886,900,062.22/169,849.94
  6. Step 6: Final answer
    x = 128,860.22

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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.