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Finding the Fourth Proportional to 203,814.74, 304,349.61 and 166,448.93

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Solution

The fourth proportional to 203,814.74, 304,349.61 and 166,448.93 is: 248,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,814.74 : 304,349.61 = 166,448.93 : x
  2. Step 2: Convert to fraction form
    203,814.74/304,349.61 = 166,448.93/x
  3. Step 3: Cross multiply
    203,814.74x = 304,349.61 × 166,448.93
  4. Step 4: Simplify right side
    203,814.74x = 50,658,667,691.29
  5. Step 5: Solve for x
    x = 50,658,667,691.29/203,814.74
  6. Step 6: Final answer
    x = 248,552.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.