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Finding the Fourth Proportional to 185,628.01, 256,165.15 and 100,745.11

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Solution

The fourth proportional to 185,628.01, 256,165.15 and 100,745.11 is: 139,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.01 : 256,165.15 = 100,745.11 : x
  2. Step 2: Convert to fraction form
    185,628.01/256,165.15 = 100,745.11/x
  3. Step 3: Cross multiply
    185,628.01x = 256,165.15 × 100,745.11
  4. Step 4: Simplify right side
    185,628.01x = 25,807,385,711.19
  5. Step 5: Solve for x
    x = 25,807,385,711.19/185,628.01
  6. Step 6: Final answer
    x = 139,027.43

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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.