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Finding the Fourth Proportional to 102,299.92, 153,290.72 and 39,085.56

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Solution

The fourth proportional to 102,299.92, 153,290.72 and 39,085.56 is: 58,567.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,299.92 : 153,290.72 = 39,085.56 : x
  2. Step 2: Convert to fraction form
    102,299.92/153,290.72 = 39,085.56/x
  3. Step 3: Cross multiply
    102,299.92x = 153,290.72 × 39,085.56
  4. Step 4: Simplify right side
    102,299.92x = 5,991,453,634.00
  5. Step 5: Solve for x
    x = 5,991,453,634.00/102,299.92
  6. Step 6: Final answer
    x = 58,567.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.