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Finding the Fourth Proportional to 97,771.87, 134,927.09 and 63,802.09

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Solution

The fourth proportional to 97,771.87, 134,927.09 and 63,802.09 is: 88,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,771.87 : 134,927.09 = 63,802.09 : x
  2. Step 2: Convert to fraction form
    97,771.87/134,927.09 = 63,802.09/x
  3. Step 3: Cross multiply
    97,771.87x = 134,927.09 × 63,802.09
  4. Step 4: Simplify right side
    97,771.87x = 8,608,630,161.81
  5. Step 5: Solve for x
    x = 8,608,630,161.81/97,771.87
  6. Step 6: Final answer
    x = 88,048.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.