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Finding the Fourth Proportional to 181,483.18, 250,451.13 and 100,914.10

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Solution

The fourth proportional to 181,483.18, 250,451.13 and 100,914.10 is: 139,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,483.18 : 250,451.13 = 100,914.10 : x
  2. Step 2: Convert to fraction form
    181,483.18/250,451.13 = 100,914.10/x
  3. Step 3: Cross multiply
    181,483.18x = 250,451.13 × 100,914.10
  4. Step 4: Simplify right side
    181,483.18x = 25,274,050,377.93
  5. Step 5: Solve for x
    x = 25,274,050,377.93/181,483.18
  6. Step 6: Final answer
    x = 139,263.87

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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.