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Finding the Fourth Proportional to 113,987.98, 170,973.87 and 35,093.98

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Solution

The fourth proportional to 113,987.98, 170,973.87 and 35,093.98 is: 52,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,987.98 : 170,973.87 = 35,093.98 : x
  2. Step 2: Convert to fraction form
    113,987.98/170,973.87 = 35,093.98/x
  3. Step 3: Cross multiply
    113,987.98x = 170,973.87 × 35,093.98
  4. Step 4: Simplify right side
    113,987.98x = 6,000,153,574.30
  5. Step 5: Solve for x
    x = 6,000,153,574.30/113,987.98
  6. Step 6: Final answer
    x = 52,638.48

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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.