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Finding the Fourth Proportional to 181,437.35, 250,392.08 and 100,866.21

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Solution

The fourth proportional to 181,437.35, 250,392.08 and 100,866.21 is: 139,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,437.35 : 250,392.08 = 100,866.21 : x
  2. Step 2: Convert to fraction form
    181,437.35/250,392.08 = 100,866.21/x
  3. Step 3: Cross multiply
    181,437.35x = 250,392.08 × 100,866.21
  4. Step 4: Simplify right side
    181,437.35x = 25,256,099,619.29
  5. Step 5: Solve for x
    x = 25,256,099,619.29/181,437.35
  6. Step 6: Final answer
    x = 139,200.12

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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.