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Finding the Fourth Proportional to 99,596.58, 137,442.03 and 54,276.54

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Solution

The fourth proportional to 99,596.58, 137,442.03 and 54,276.54 is: 74,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,596.58 : 137,442.03 = 54,276.54 : x
  2. Step 2: Convert to fraction form
    99,596.58/137,442.03 = 54,276.54/x
  3. Step 3: Cross multiply
    99,596.58x = 137,442.03 × 54,276.54
  4. Step 4: Simplify right side
    99,596.58x = 7,459,877,838.98
  5. Step 5: Solve for x
    x = 7,459,877,838.98/99,596.58
  6. Step 6: Final answer
    x = 74,900.94

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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.