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Finding the Fourth Proportional to 248,781.83, 343,319.01 and 141,352.00

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Solution

The fourth proportional to 248,781.83, 343,319.01 and 141,352.00 is: 195,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,781.83 : 343,319.01 = 141,352.00 : x
  2. Step 2: Convert to fraction form
    248,781.83/343,319.01 = 141,352.00/x
  3. Step 3: Cross multiply
    248,781.83x = 343,319.01 × 141,352.00
  4. Step 4: Simplify right side
    248,781.83x = 48,528,827,843.22
  5. Step 5: Solve for x
    x = 48,528,827,843.22/248,781.83
  6. Step 6: Final answer
    x = 195,065.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.