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Finding the Fourth Proportional to 67,703.31, 101,567.66 and 30,264.86

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Solution

The fourth proportional to 67,703.31, 101,567.66 and 30,264.86 is: 45,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,703.31 : 101,567.66 = 30,264.86 : x
  2. Step 2: Convert to fraction form
    67,703.31/101,567.66 = 30,264.86/x
  3. Step 3: Cross multiply
    67,703.31x = 101,567.66 × 30,264.86
  4. Step 4: Simplify right side
    67,703.31x = 3,073,931,113.02
  5. Step 5: Solve for x
    x = 3,073,931,113.02/67,703.31
  6. Step 6: Final answer
    x = 45,402.97

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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.