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Finding the Fourth Proportional to 168,809.80, 233,238.27 and 133,271.86

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Solution

The fourth proportional to 168,809.80, 233,238.27 and 133,271.86 is: 184,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,809.80 : 233,238.27 = 133,271.86 : x
  2. Step 2: Convert to fraction form
    168,809.80/233,238.27 = 133,271.86/x
  3. Step 3: Cross multiply
    168,809.80x = 233,238.27 × 133,271.86
  4. Step 4: Simplify right side
    168,809.80x = 31,084,098,066.08
  5. Step 5: Solve for x
    x = 31,084,098,066.08/168,809.80
  6. Step 6: Final answer
    x = 184,136.81

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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.