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Finding the Fourth Proportional to 73,567.90, 101,554.21 and 49,726.86

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Solution

The fourth proportional to 73,567.90, 101,554.21 and 49,726.86 is: 68,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,567.90 : 101,554.21 = 49,726.86 : x
  2. Step 2: Convert to fraction form
    73,567.90/101,554.21 = 49,726.86/x
  3. Step 3: Cross multiply
    73,567.90x = 101,554.21 × 49,726.86
  4. Step 4: Simplify right side
    73,567.90x = 5,049,971,734.45
  5. Step 5: Solve for x
    x = 5,049,971,734.45/73,567.90
  6. Step 6: Final answer
    x = 68,643.69

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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.