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Finding the Fourth Proportional to 250,790.36, 375,987.63 and 124,343.42

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Solution

The fourth proportional to 250,790.36, 375,987.63 and 124,343.42 is: 186,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,790.36 : 375,987.63 = 124,343.42 : x
  2. Step 2: Convert to fraction form
    250,790.36/375,987.63 = 124,343.42/x
  3. Step 3: Cross multiply
    250,790.36x = 375,987.63 × 124,343.42
  4. Step 4: Simplify right side
    250,790.36x = 46,751,587,791.89
  5. Step 5: Solve for x
    x = 46,751,587,791.89/250,790.36
  6. Step 6: Final answer
    x = 186,417.00

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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.