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Finding the Fourth Proportional to 181,525.68, 250,509.78 and 100,956.60

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Solution

The fourth proportional to 181,525.68, 250,509.78 and 100,956.60 is: 139,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,525.68 : 250,509.78 = 100,956.60 : x
  2. Step 2: Convert to fraction form
    181,525.68/250,509.78 = 100,956.60/x
  3. Step 3: Cross multiply
    181,525.68x = 250,509.78 × 100,956.60
  4. Step 4: Simplify right side
    181,525.68x = 25,290,615,655.55
  5. Step 5: Solve for x
    x = 25,290,615,655.55/181,525.68
  6. Step 6: Final answer
    x = 139,322.52

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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.