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Finding the Fourth Proportional to 68,599.32, 102,483.30 and 43,437.89

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Solution

The fourth proportional to 68,599.32, 102,483.30 and 43,437.89 is: 64,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,599.32 : 102,483.30 = 43,437.89 : x
  2. Step 2: Convert to fraction form
    68,599.32/102,483.30 = 43,437.89/x
  3. Step 3: Cross multiply
    68,599.32x = 102,483.30 × 43,437.89
  4. Step 4: Simplify right side
    68,599.32x = 4,451,657,799.82
  5. Step 5: Solve for x
    x = 4,451,657,799.82/68,599.32
  6. Step 6: Final answer
    x = 64,893.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.