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Finding the Fourth Proportional to 106,843.59, 147,451.49 and 61,533.51

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Solution

The fourth proportional to 106,843.59, 147,451.49 and 61,533.51 is: 84,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,843.59 : 147,451.49 = 61,533.51 : x
  2. Step 2: Convert to fraction form
    106,843.59/147,451.49 = 61,533.51/x
  3. Step 3: Cross multiply
    106,843.59x = 147,451.49 × 61,533.51
  4. Step 4: Simplify right side
    106,843.59x = 9,073,207,104.57
  5. Step 5: Solve for x
    x = 9,073,207,104.57/106,843.59
  6. Step 6: Final answer
    x = 84,920.46

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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.