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Finding the Fourth Proportional to 169,289.98, 233,618.67 and 92,807.68

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Solution

The fourth proportional to 169,289.98, 233,618.67 and 92,807.68 is: 128,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,289.98 : 233,618.67 = 92,807.68 : x
  2. Step 2: Convert to fraction form
    169,289.98/233,618.67 = 92,807.68/x
  3. Step 3: Cross multiply
    169,289.98x = 233,618.67 × 92,807.68
  4. Step 4: Simplify right side
    169,289.98x = 21,681,606,767.39
  5. Step 5: Solve for x
    x = 21,681,606,767.39/169,289.98
  6. Step 6: Final answer
    x = 128,073.77

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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.