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Finding the Fourth Proportional to 106,535.67, 147,027.53 and 61,229.46

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Solution

The fourth proportional to 106,535.67, 147,027.53 and 61,229.46 is: 84,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,535.67 : 147,027.53 = 61,229.46 : x
  2. Step 2: Convert to fraction form
    106,535.67/147,027.53 = 61,229.46/x
  3. Step 3: Cross multiply
    106,535.67x = 147,027.53 × 61,229.46
  4. Step 4: Simplify right side
    106,535.67x = 9,002,416,267.03
  5. Step 5: Solve for x
    x = 9,002,416,267.03/106,535.67
  6. Step 6: Final answer
    x = 84,501.43

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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.