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Finding the Fourth Proportional to 67,487.72, 101,019.28 and 46,303.92

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Solution

The fourth proportional to 67,487.72, 101,019.28 and 46,303.92 is: 69,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487.72 : 101,019.28 = 46,303.92 : x
  2. Step 2: Convert to fraction form
    67,487.72/101,019.28 = 46,303.92/x
  3. Step 3: Cross multiply
    67,487.72x = 101,019.28 × 46,303.92
  4. Step 4: Simplify right side
    67,487.72x = 4,677,588,659.58
  5. Step 5: Solve for x
    x = 4,677,588,659.58/67,487.72
  6. Step 6: Final answer
    x = 69,310.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.