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Finding the Fourth Proportional to 101,917.99, 152,818.12 and 39,515.59

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Solution

The fourth proportional to 101,917.99, 152,818.12 and 39,515.59 is: 59,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,917.99 : 152,818.12 = 39,515.59 : x
  2. Step 2: Convert to fraction form
    101,917.99/152,818.12 = 39,515.59/x
  3. Step 3: Cross multiply
    101,917.99x = 152,818.12 × 39,515.59
  4. Step 4: Simplify right side
    101,917.99x = 6,038,698,174.49
  5. Step 5: Solve for x
    x = 6,038,698,174.49/101,917.99
  6. Step 6: Final answer
    x = 59,250.56

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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.