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Finding the Fourth Proportional to 73,708.85, 101,731.71 and 48,237.83

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Solution

The fourth proportional to 73,708.85, 101,731.71 and 48,237.83 is: 66,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,708.85 : 101,731.71 = 48,237.83 : x
  2. Step 2: Convert to fraction form
    73,708.85/101,731.71 = 48,237.83/x
  3. Step 3: Cross multiply
    73,708.85x = 101,731.71 × 48,237.83
  4. Step 4: Simplify right side
    73,708.85x = 4,907,316,986.32
  5. Step 5: Solve for x
    x = 4,907,316,986.32/73,708.85
  6. Step 6: Final answer
    x = 66,577.04

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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.