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Finding the Fourth Proportional to 106,680.98, 147,223.98 and 61,358.92

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Solution

The fourth proportional to 106,680.98, 147,223.98 and 61,358.92 is: 84,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,680.98 : 147,223.98 = 61,358.92 : x
  2. Step 2: Convert to fraction form
    106,680.98/147,223.98 = 61,358.92/x
  3. Step 3: Cross multiply
    106,680.98x = 147,223.98 × 61,358.92
  4. Step 4: Simplify right side
    106,680.98x = 9,033,504,042.84
  5. Step 5: Solve for x
    x = 9,033,504,042.84/106,680.98
  6. Step 6: Final answer
    x = 84,677.74

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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.