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Finding the Fourth Proportional to 117,924.85, 162,734.18 and 64,208.89

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Solution

The fourth proportional to 117,924.85, 162,734.18 and 64,208.89 is: 88,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,924.85 : 162,734.18 = 64,208.89 : x
  2. Step 2: Convert to fraction form
    117,924.85/162,734.18 = 64,208.89/x
  3. Step 3: Cross multiply
    117,924.85x = 162,734.18 × 64,208.89
  4. Step 4: Simplify right side
    117,924.85x = 10,448,980,249.19
  5. Step 5: Solve for x
    x = 10,448,980,249.19/117,924.85
  6. Step 6: Final answer
    x = 88,607.11

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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.