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Finding the Fourth Proportional to 151,095.78, 225,361.24 and 148,438.98

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Solution

The fourth proportional to 151,095.78, 225,361.24 and 148,438.98 is: 221,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,095.78 : 225,361.24 = 148,438.98 : x
  2. Step 2: Convert to fraction form
    151,095.78/225,361.24 = 148,438.98/x
  3. Step 3: Cross multiply
    151,095.78x = 225,361.24 × 148,438.98
  4. Step 4: Simplify right side
    151,095.78x = 33,452,392,226.04
  5. Step 5: Solve for x
    x = 33,452,392,226.04/151,095.78
  6. Step 6: Final answer
    x = 221,398.59

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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.