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Finding the Fourth Proportional to 106,703.30, 147,250.25 and 58,956.31

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Solution

The fourth proportional to 106,703.30, 147,250.25 and 58,956.31 is: 81,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,703.30 : 147,250.25 = 58,956.31 : x
  2. Step 2: Convert to fraction form
    106,703.30/147,250.25 = 58,956.31/x
  3. Step 3: Cross multiply
    106,703.30x = 147,250.25 × 58,956.31
  4. Step 4: Simplify right side
    106,703.30x = 8,681,330,834.39
  5. Step 5: Solve for x
    x = 8,681,330,834.39/106,703.30
  6. Step 6: Final answer
    x = 81,359.54

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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.