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Finding the Fourth Proportional to 181,813.82, 250,903.35 and 101,256.86

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Solution

The fourth proportional to 181,813.82, 250,903.35 and 101,256.86 is: 139,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,813.82 : 250,903.35 = 101,256.86 : x
  2. Step 2: Convert to fraction form
    181,813.82/250,903.35 = 101,256.86/x
  3. Step 3: Cross multiply
    181,813.82x = 250,903.35 × 101,256.86
  4. Step 4: Simplify right side
    181,813.82x = 25,405,685,384.48
  5. Step 5: Solve for x
    x = 25,405,685,384.48/181,813.82
  6. Step 6: Final answer
    x = 139,734.62

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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.