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Finding the Fourth Proportional to 218,529.66, 301,552.56 and 133,630.32

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Solution

The fourth proportional to 218,529.66, 301,552.56 and 133,630.32 is: 184,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,529.66 : 301,552.56 = 133,630.32 : x
  2. Step 2: Convert to fraction form
    218,529.66/301,552.56 = 133,630.32/x
  3. Step 3: Cross multiply
    218,529.66x = 301,552.56 × 133,630.32
  4. Step 4: Simplify right side
    218,529.66x = 40,296,565,089.62
  5. Step 5: Solve for x
    x = 40,296,565,089.62/218,529.66
  6. Step 6: Final answer
    x = 184,398.61

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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.