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Finding the Fourth Proportional to 73,411.96, 110,117.94 and 20,814.88

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Solution

The fourth proportional to 73,411.96, 110,117.94 and 20,814.88 is: 31,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411.96 : 110,117.94 = 20,814.88 : x
  2. Step 2: Convert to fraction form
    73,411.96/110,117.94 = 20,814.88/x
  3. Step 3: Cross multiply
    73,411.96x = 110,117.94 × 20,814.88
  4. Step 4: Simplify right side
    73,411.96x = 2,292,091,706.95
  5. Step 5: Solve for x
    x = 2,292,091,706.95/73,411.96
  6. Step 6: Final answer
    x = 31,222.32

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1.5x scale

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.