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Finding the Fourth Proportional to 186,216.77, 256,958.25 and 109,730.90

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Solution

The fourth proportional to 186,216.77, 256,958.25 and 109,730.90 is: 151,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,216.77 : 256,958.25 = 109,730.90 : x
  2. Step 2: Convert to fraction form
    186,216.77/256,958.25 = 109,730.90/x
  3. Step 3: Cross multiply
    186,216.77x = 256,958.25 × 109,730.90
  4. Step 4: Simplify right side
    186,216.77x = 28,196,260,034.93
  5. Step 5: Solve for x
    x = 28,196,260,034.93/186,216.77
  6. Step 6: Final answer
    x = 151,416.33

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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.