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Finding the Fourth Proportional to 104,714.80, 157,072.20 and 64,856.73

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Solution

The fourth proportional to 104,714.80, 157,072.20 and 64,856.73 is: 97,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,714.80 : 157,072.20 = 64,856.73 : x
  2. Step 2: Convert to fraction form
    104,714.80/157,072.20 = 64,856.73/x
  3. Step 3: Cross multiply
    104,714.80x = 157,072.20 × 64,856.73
  4. Step 4: Simplify right side
    104,714.80x = 10,187,189,265.91
  5. Step 5: Solve for x
    x = 10,187,189,265.91/104,714.80
  6. Step 6: Final answer
    x = 97,285.10

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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.