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Finding the Fourth Proportional to 115,276.99, 172,927.01 and 35,314.03

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Solution

The fourth proportional to 115,276.99, 172,927.01 and 35,314.03 is: 52,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,276.99 : 172,927.01 = 35,314.03 : x
  2. Step 2: Convert to fraction form
    115,276.99/172,927.01 = 35,314.03/x
  3. Step 3: Cross multiply
    115,276.99x = 172,927.01 × 35,314.03
  4. Step 4: Simplify right side
    115,276.99x = 6,106,749,618.95
  5. Step 5: Solve for x
    x = 6,106,749,618.95/115,276.99
  6. Step 6: Final answer
    x = 52,974.58

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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.