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Finding the Fourth Proportional to 181,482.55, 250,444.36 and 100,909.37

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Solution

The fourth proportional to 181,482.55, 250,444.36 and 100,909.37 is: 139,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,482.55 : 250,444.36 = 100,909.37 : x
  2. Step 2: Convert to fraction form
    181,482.55/250,444.36 = 100,909.37/x
  3. Step 3: Cross multiply
    181,482.55x = 250,444.36 × 100,909.37
  4. Step 4: Simplify right side
    181,482.55x = 25,272,182,919.33
  5. Step 5: Solve for x
    x = 25,272,182,919.33/181,482.55
  6. Step 6: Final answer
    x = 139,254.07

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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.