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Finding the Fourth Proportional to 101,675.75, 152,484.45 and 39,331.67

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Solution

The fourth proportional to 101,675.75, 152,484.45 and 39,331.67 is: 58,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,675.75 : 152,484.45 = 39,331.67 : x
  2. Step 2: Convert to fraction form
    101,675.75/152,484.45 = 39,331.67/x
  3. Step 3: Cross multiply
    101,675.75x = 152,484.45 × 39,331.67
  4. Step 4: Simplify right side
    101,675.75x = 5,997,467,305.11
  5. Step 5: Solve for x
    x = 5,997,467,305.11/101,675.75
  6. Step 6: Final answer
    x = 58,986.21

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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.