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Finding the Fourth Proportional to 67,700.46, 101,566.92 and 20,953.32

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Solution

The fourth proportional to 67,700.46, 101,566.92 and 20,953.32 is: 31,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,700.46 : 101,566.92 = 20,953.32 : x
  2. Step 2: Convert to fraction form
    67,700.46/101,566.92 = 20,953.32/x
  3. Step 3: Cross multiply
    67,700.46x = 101,566.92 × 20,953.32
  4. Step 4: Simplify right side
    67,700.46x = 2,128,164,176.17
  5. Step 5: Solve for x
    x = 2,128,164,176.17/67,700.46
  6. Step 6: Final answer
    x = 31,435.00

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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.