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Finding the Fourth Proportional to 73,653.30, 101,654.80 and 43,436.86

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Solution

The fourth proportional to 73,653.30, 101,654.80 and 43,436.86 is: 59,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,653.30 : 101,654.80 = 43,436.86 : x
  2. Step 2: Convert to fraction form
    73,653.30/101,654.80 = 43,436.86/x
  3. Step 3: Cross multiply
    73,653.30x = 101,654.80 × 43,436.86
  4. Step 4: Simplify right side
    73,653.30x = 4,415,564,953.20
  5. Step 5: Solve for x
    x = 4,415,564,953.20/73,653.30
  6. Step 6: Final answer
    x = 59,950.67

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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.