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Finding the Fourth Proportional to 67,410, 92,714.76 and 59,011.92

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Solution

The fourth proportional to 67,410, 92,714.76 and 59,011.92 is: 81,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,410 : 92,714.76 = 59,011.92 : x
  2. Step 2: Convert to fraction form
    67,410/92,714.76 = 59,011.92/x
  3. Step 3: Cross multiply
    67,410x = 92,714.76 × 59,011.92
  4. Step 4: Simplify right side
    67,410x = 5,471,275,999.94
  5. Step 5: Solve for x
    x = 5,471,275,999.94/67,410
  6. Step 6: Final answer
    x = 81,164.16

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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.