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Finding the Fourth Proportional to 180,262.96, 248,752.84 and 99,685.68

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Solution

The fourth proportional to 180,262.96, 248,752.84 and 99,685.68 is: 137,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,262.96 : 248,752.84 = 99,685.68 : x
  2. Step 2: Convert to fraction form
    180,262.96/248,752.84 = 99,685.68/x
  3. Step 3: Cross multiply
    180,262.96x = 248,752.84 × 99,685.68
  4. Step 4: Simplify right side
    180,262.96x = 24,797,096,007.33
  5. Step 5: Solve for x
    x = 24,797,096,007.33/180,262.96
  6. Step 6: Final answer
    x = 137,560.68

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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.