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Finding the Fourth Proportional to 115,157.16, 172,697.16 and 44,063.27

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Solution

The fourth proportional to 115,157.16, 172,697.16 and 44,063.27 is: 66,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,157.16 : 172,697.16 = 44,063.27 : x
  2. Step 2: Convert to fraction form
    115,157.16/172,697.16 = 44,063.27/x
  3. Step 3: Cross multiply
    115,157.16x = 172,697.16 × 44,063.27
  4. Step 4: Simplify right side
    115,157.16x = 7,609,600,725.83
  5. Step 5: Solve for x
    x = 7,609,600,725.83/115,157.16
  6. Step 6: Final answer
    x = 66,080.14

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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.