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Finding the Fourth Proportional to 73,316.01, 109,976.06 and 25,924.40

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Solution

The fourth proportional to 73,316.01, 109,976.06 and 25,924.40 is: 38,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,316.01 : 109,976.06 = 25,924.40 : x
  2. Step 2: Convert to fraction form
    73,316.01/109,976.06 = 25,924.40/x
  3. Step 3: Cross multiply
    73,316.01x = 109,976.06 × 25,924.40
  4. Step 4: Simplify right side
    73,316.01x = 2,851,063,240.24
  5. Step 5: Solve for x
    x = 2,851,063,240.24/73,316.01
  6. Step 6: Final answer
    x = 38,887.32

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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.