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Finding the Fourth Proportional to 225,455.40, 338,083.47 and 67,653.63

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Solution

The fourth proportional to 225,455.40, 338,083.47 and 67,653.63 is: 101,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,455.40 : 338,083.47 = 67,653.63 : x
  2. Step 2: Convert to fraction form
    225,455.40/338,083.47 = 67,653.63/x
  3. Step 3: Cross multiply
    225,455.40x = 338,083.47 × 67,653.63
  4. Step 4: Simplify right side
    225,455.40x = 22,872,573,988.50
  5. Step 5: Solve for x
    x = 22,872,573,988.50/225,455.40
  6. Step 6: Final answer
    x = 101,450.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.