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Finding the Fourth Proportional to 73,437.63, 101,385.90 and 48,360.03

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Solution

The fourth proportional to 73,437.63, 101,385.90 and 48,360.03 is: 66,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,437.63 : 101,385.90 = 48,360.03 : x
  2. Step 2: Convert to fraction form
    73,437.63/101,385.90 = 48,360.03/x
  3. Step 3: Cross multiply
    73,437.63x = 101,385.90 × 48,360.03
  4. Step 4: Simplify right side
    73,437.63x = 4,903,025,165.58
  5. Step 5: Solve for x
    x = 4,903,025,165.58/73,437.63
  6. Step 6: Final answer
    x = 66,764.48

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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.