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Finding the Fourth Proportional to 95,722, 143,588.76 and 30,058

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Solution

The fourth proportional to 95,722, 143,588.76 and 30,058 is: 45,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,722 : 143,588.76 = 30,058 : x
  2. Step 2: Convert to fraction form
    95,722/143,588.76 = 30,058/x
  3. Step 3: Cross multiply
    95,722x = 143,588.76 × 30,058
  4. Step 4: Simplify right side
    95,722x = 4,315,990,948.08
  5. Step 5: Solve for x
    x = 4,315,990,948.08/95,722
  6. Step 6: Final answer
    x = 45,088.81

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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.