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Finding the Fourth Proportional to 284,668.77, 427,010.72 and 124,662.05

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Solution

The fourth proportional to 284,668.77, 427,010.72 and 124,662.05 is: 186,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,668.77 : 427,010.72 = 124,662.05 : x
  2. Step 2: Convert to fraction form
    284,668.77/427,010.72 = 124,662.05/x
  3. Step 3: Cross multiply
    284,668.77x = 427,010.72 × 124,662.05
  4. Step 4: Simplify right side
    284,668.77x = 53,232,028,968.81
  5. Step 5: Solve for x
    x = 53,232,028,968.81/284,668.77
  6. Step 6: Final answer
    x = 186,996.38

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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.