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Finding the Fourth Proportional to 73,271.79, 101,160.43 and 56,243.43

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Solution

The fourth proportional to 73,271.79, 101,160.43 and 56,243.43 is: 77,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,271.79 : 101,160.43 = 56,243.43 : x
  2. Step 2: Convert to fraction form
    73,271.79/101,160.43 = 56,243.43/x
  3. Step 3: Cross multiply
    73,271.79x = 101,160.43 × 56,243.43
  4. Step 4: Simplify right side
    73,271.79x = 5,689,609,422.87
  5. Step 5: Solve for x
    x = 5,689,609,422.87/73,271.79
  6. Step 6: Final answer
    x = 77,650.75

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1.5x scale

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.