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Finding the Fourth Proportional to 284,662.65, 427,001.50 and 124,656.27

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Solution

The fourth proportional to 284,662.65, 427,001.50 and 124,656.27 is: 186,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,662.65 : 427,001.50 = 124,656.27 : x
  2. Step 2: Convert to fraction form
    284,662.65/427,001.50 = 124,656.27/x
  3. Step 3: Cross multiply
    284,662.65x = 427,001.50 × 124,656.27
  4. Step 4: Simplify right side
    284,662.65x = 53,228,412,478.37
  5. Step 5: Solve for x
    x = 53,228,412,478.37/284,662.65
  6. Step 6: Final answer
    x = 186,987.69

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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.