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Finding the Fourth Proportional to 169,040, 233,275.20 and 93,593.36

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Solution

The fourth proportional to 169,040, 233,275.20 and 93,593.36 is: 129,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,040 : 233,275.20 = 93,593.36 : x
  2. Step 2: Convert to fraction form
    169,040/233,275.20 = 93,593.36/x
  3. Step 3: Cross multiply
    169,040x = 233,275.20 × 93,593.36
  4. Step 4: Simplify right side
    169,040x = 21,833,009,772.67
  5. Step 5: Solve for x
    x = 21,833,009,772.67/169,040
  6. Step 6: Final answer
    x = 129,158.84

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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.