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Finding the Fourth Proportional to 139,529.46, 209,292.48 and 34,349.34

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Solution

The fourth proportional to 139,529.46, 209,292.48 and 34,349.34 is: 51,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,529.46 : 209,292.48 = 34,349.34 : x
  2. Step 2: Convert to fraction form
    139,529.46/209,292.48 = 34,349.34/x
  3. Step 3: Cross multiply
    139,529.46x = 209,292.48 × 34,349.34
  4. Step 4: Simplify right side
    139,529.46x = 7,189,058,554.96
  5. Step 5: Solve for x
    x = 7,189,058,554.96/139,529.46
  6. Step 6: Final answer
    x = 51,523.59

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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.