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Finding the Fourth Proportional to 185,646.01, 256,191.99 and 100,763.07

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Solution

The fourth proportional to 185,646.01, 256,191.99 and 100,763.07 is: 139,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,646.01 : 256,191.99 = 100,763.07 : x
  2. Step 2: Convert to fraction form
    185,646.01/256,191.99 = 100,763.07/x
  3. Step 3: Cross multiply
    185,646.01x = 256,191.99 × 100,763.07
  4. Step 4: Simplify right side
    185,646.01x = 25,814,690,917.99
  5. Step 5: Solve for x
    x = 25,814,690,917.99/185,646.01
  6. Step 6: Final answer
    x = 139,053.31

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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.