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Finding the Fourth Proportional to 181,524.98, 250,510.86 and 100,955.90

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Solution

The fourth proportional to 181,524.98, 250,510.86 and 100,955.90 is: 139,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,524.98 : 250,510.86 = 100,955.90 : x
  2. Step 2: Convert to fraction form
    181,524.98/250,510.86 = 100,955.90/x
  3. Step 3: Cross multiply
    181,524.98x = 250,510.86 × 100,955.90
  4. Step 4: Simplify right side
    181,524.98x = 25,290,549,331.07
  5. Step 5: Solve for x
    x = 25,290,549,331.07/181,524.98
  6. Step 6: Final answer
    x = 139,322.69

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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.