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Finding the Fourth Proportional to 215,555.45, 297,466.61 and 124,963.93

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Solution

The fourth proportional to 215,555.45, 297,466.61 and 124,963.93 is: 172,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,555.45 : 297,466.61 = 124,963.93 : x
  2. Step 2: Convert to fraction form
    215,555.45/297,466.61 = 124,963.93/x
  3. Step 3: Cross multiply
    215,555.45x = 297,466.61 × 124,963.93
  4. Step 4: Simplify right side
    215,555.45x = 37,172,596,351.57
  5. Step 5: Solve for x
    x = 37,172,596,351.57/215,555.45
  6. Step 6: Final answer
    x = 172,450.27

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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.