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Finding the Fourth Proportional to 95,234.40, 142,912.35 and 45,370.80

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Solution

The fourth proportional to 95,234.40, 142,912.35 and 45,370.80 is: 68,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,234.40 : 142,912.35 = 45,370.80 : x
  2. Step 2: Convert to fraction form
    95,234.40/142,912.35 = 45,370.80/x
  3. Step 3: Cross multiply
    95,234.40x = 142,912.35 × 45,370.80
  4. Step 4: Simplify right side
    95,234.40x = 6,484,047,649.38
  5. Step 5: Solve for x
    x = 6,484,047,649.38/95,234.40
  6. Step 6: Final answer
    x = 68,085.14

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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.