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Finding the Fourth Proportional to 115,059.98, 172,599.94 and 35,115.93

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Solution

The fourth proportional to 115,059.98, 172,599.94 and 35,115.93 is: 52,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,059.98 : 172,599.94 = 35,115.93 : x
  2. Step 2: Convert to fraction form
    115,059.98/172,599.94 = 35,115.93/x
  3. Step 3: Cross multiply
    115,059.98x = 172,599.94 × 35,115.93
  4. Step 4: Simplify right side
    115,059.98x = 6,061,007,411.04
  5. Step 5: Solve for x
    x = 6,061,007,411.04/115,059.98
  6. Step 6: Final answer
    x = 52,676.94

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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.