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Finding the Fourth Proportional to 181,573.05, 250,601.40 and 105,094.20

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Solution

The fourth proportional to 181,573.05, 250,601.40 and 105,094.20 is: 145,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,573.05 : 250,601.40 = 105,094.20 : x
  2. Step 2: Convert to fraction form
    181,573.05/250,601.40 = 105,094.20/x
  3. Step 3: Cross multiply
    181,573.05x = 250,601.40 × 105,094.20
  4. Step 4: Simplify right side
    181,573.05x = 26,336,753,651.88
  5. Step 5: Solve for x
    x = 26,336,753,651.88/181,573.05
  6. Step 6: Final answer
    x = 145,047.70

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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.