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Finding the Fourth Proportional to 181,290.66, 250,185.57 and 99,618.25

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Solution

The fourth proportional to 181,290.66, 250,185.57 and 99,618.25 is: 137,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,290.66 : 250,185.57 = 99,618.25 : x
  2. Step 2: Convert to fraction form
    181,290.66/250,185.57 = 99,618.25/x
  3. Step 3: Cross multiply
    181,290.66x = 250,185.57 × 99,618.25
  4. Step 4: Simplify right side
    181,290.66x = 24,923,048,658.65
  5. Step 5: Solve for x
    x = 24,923,048,658.65/181,290.66
  6. Step 6: Final answer
    x = 137,475.64

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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.