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Finding the Fourth Proportional to 168,703.51, 232,718.70 and 108,206.83

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Solution

The fourth proportional to 168,703.51, 232,718.70 and 108,206.83 is: 149,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,703.51 : 232,718.70 = 108,206.83 : x
  2. Step 2: Convert to fraction form
    168,703.51/232,718.70 = 108,206.83/x
  3. Step 3: Cross multiply
    168,703.51x = 232,718.70 × 108,206.83
  4. Step 4: Simplify right side
    168,703.51x = 25,181,752,808.72
  5. Step 5: Solve for x
    x = 25,181,752,808.72/168,703.51
  6. Step 6: Final answer
    x = 149,266.32

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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.