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Finding the Fourth Proportional to 181,060.30, 250,106.70 and 139,142.80

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Solution

The fourth proportional to 181,060.30, 250,106.70 and 139,142.80 is: 192,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,060.30 : 250,106.70 = 139,142.80 : x
  2. Step 2: Convert to fraction form
    181,060.30/250,106.70 = 139,142.80/x
  3. Step 3: Cross multiply
    181,060.30x = 250,106.70 × 139,142.80
  4. Step 4: Simplify right side
    181,060.30x = 34,800,546,536.76
  5. Step 5: Solve for x
    x = 34,800,546,536.76/181,060.30
  6. Step 6: Final answer
    x = 192,204.18

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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.