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Finding the Fourth Proportional to 168,007.83, 251,971.93 and 48,061.08

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Solution

The fourth proportional to 168,007.83, 251,971.93 and 48,061.08 is: 72,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,007.83 : 251,971.93 = 48,061.08 : x
  2. Step 2: Convert to fraction form
    168,007.83/251,971.93 = 48,061.08/x
  3. Step 3: Cross multiply
    168,007.83x = 251,971.93 × 48,061.08
  4. Step 4: Simplify right side
    168,007.83x = 12,110,043,085.48
  5. Step 5: Solve for x
    x = 12,110,043,085.48/168,007.83
  6. Step 6: Final answer
    x = 72,080.23

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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.