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Finding the Fourth Proportional to 284,063.01, 426,021.61 and 84,337.05

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Solution

The fourth proportional to 284,063.01, 426,021.61 and 84,337.05 is: 126,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,063.01 : 426,021.61 = 84,337.05 : x
  2. Step 2: Convert to fraction form
    284,063.01/426,021.61 = 84,337.05/x
  3. Step 3: Cross multiply
    284,063.01x = 426,021.61 × 84,337.05
  4. Step 4: Simplify right side
    284,063.01x = 35,929,405,823.65
  5. Step 5: Solve for x
    x = 35,929,405,823.65/284,063.01
  6. Step 6: Final answer
    x = 126,483.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.