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Finding the Fourth Proportional to 164,607.15, 227,176.30 and 92,991.78

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Solution

The fourth proportional to 164,607.15, 227,176.30 and 92,991.78 is: 128,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,607.15 : 227,176.30 = 92,991.78 : x
  2. Step 2: Convert to fraction form
    164,607.15/227,176.30 = 92,991.78/x
  3. Step 3: Cross multiply
    164,607.15x = 227,176.30 × 92,991.78
  4. Step 4: Simplify right side
    164,607.15x = 21,125,528,103.98
  5. Step 5: Solve for x
    x = 21,125,528,103.98/164,607.15
  6. Step 6: Final answer
    x = 128,339.07

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1.5x scale

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.