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Finding the Fourth Proportional to 186,226.72, 256,985.22 and 101,344.12

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Solution

The fourth proportional to 186,226.72, 256,985.22 and 101,344.12 is: 139,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,226.72 : 256,985.22 = 101,344.12 : x
  2. Step 2: Convert to fraction form
    186,226.72/256,985.22 = 101,344.12/x
  3. Step 3: Cross multiply
    186,226.72x = 256,985.22 × 101,344.12
  4. Step 4: Simplify right side
    186,226.72x = 26,043,940,973.91
  5. Step 5: Solve for x
    x = 26,043,940,973.91/186,226.72
  6. Step 6: Final answer
    x = 139,850.72

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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.