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Finding the Fourth Proportional to 87,409.74, 131,114.74 and 37,457.44

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Solution

The fourth proportional to 87,409.74, 131,114.74 and 37,457.44 is: 56,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409.74 : 131,114.74 = 37,457.44 : x
  2. Step 2: Convert to fraction form
    87,409.74/131,114.74 = 37,457.44/x
  3. Step 3: Cross multiply
    87,409.74x = 131,114.74 × 37,457.44
  4. Step 4: Simplify right side
    87,409.74x = 4,911,222,506.67
  5. Step 5: Solve for x
    x = 4,911,222,506.67/87,409.74
  6. Step 6: Final answer
    x = 56,186.22

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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.