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Finding the Fourth Proportional to 248,360, 372,613.56 and 143,254.40

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Solution

The fourth proportional to 248,360, 372,613.56 and 143,254.40 is: 214,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,360 : 372,613.56 = 143,254.40 : x
  2. Step 2: Convert to fraction form
    248,360/372,613.56 = 143,254.40/x
  3. Step 3: Cross multiply
    248,360x = 372,613.56 × 143,254.40
  4. Step 4: Simplify right side
    248,360x = 53,378,531,969.66
  5. Step 5: Solve for x
    x = 53,378,531,969.66/248,360
  6. Step 6: Final answer
    x = 214,924.03

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