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Finding the Fourth Proportional to 92,744.58, 127,990.42 and 52,457.56

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Solution

The fourth proportional to 92,744.58, 127,990.42 and 52,457.56 is: 72,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,744.58 : 127,990.42 = 52,457.56 : x
  2. Step 2: Convert to fraction form
    92,744.58/127,990.42 = 52,457.56/x
  3. Step 3: Cross multiply
    92,744.58x = 127,990.42 × 52,457.56
  4. Step 4: Simplify right side
    92,744.58x = 6,714,065,136.58
  5. Step 5: Solve for x
    x = 6,714,065,136.58/92,744.58
  6. Step 6: Final answer
    x = 72,393.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.