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Finding the Fourth Proportional to 123,252.84, 169,932.33 and 82,880.82

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Solution

The fourth proportional to 123,252.84, 169,932.33 and 82,880.82 is: 114,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,252.84 : 169,932.33 = 82,880.82 : x
  2. Step 2: Convert to fraction form
    123,252.84/169,932.33 = 82,880.82/x
  3. Step 3: Cross multiply
    123,252.84x = 169,932.33 × 82,880.82
  4. Step 4: Simplify right side
    123,252.84x = 14,084,130,854.91
  5. Step 5: Solve for x
    x = 14,084,130,854.91/123,252.84
  6. Step 6: Final answer
    x = 114,270.23

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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.