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Finding the Fourth Proportional to 164,585.72, 227,132.71 and 100,886.92

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Solution

The fourth proportional to 164,585.72, 227,132.71 and 100,886.92 is: 139,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,585.72 : 227,132.71 = 100,886.92 : x
  2. Step 2: Convert to fraction form
    164,585.72/227,132.71 = 100,886.92/x
  3. Step 3: Cross multiply
    164,585.72x = 227,132.71 × 100,886.92
  4. Step 4: Simplify right side
    164,585.72x = 22,914,718,723.10
  5. Step 5: Solve for x
    x = 22,914,718,723.10/164,585.72
  6. Step 6: Final answer
    x = 139,226.65

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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.