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Finding the Fourth Proportional to 171,356.68, 236,479.61 and 94,875.77

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Solution

The fourth proportional to 171,356.68, 236,479.61 and 94,875.77 is: 130,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,356.68 : 236,479.61 = 94,875.77 : x
  2. Step 2: Convert to fraction form
    171,356.68/236,479.61 = 94,875.77/x
  3. Step 3: Cross multiply
    171,356.68x = 236,479.61 × 94,875.77
  4. Step 4: Simplify right side
    171,356.68x = 22,436,185,204.87
  5. Step 5: Solve for x
    x = 22,436,185,204.87/171,356.68
  6. Step 6: Final answer
    x = 130,932.66

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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.