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Finding the Fourth Proportional to 93,772.56, 140,658.84 and 28,108.56

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Solution

The fourth proportional to 93,772.56, 140,658.84 and 28,108.56 is: 42,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,772.56 : 140,658.84 = 28,108.56 : x
  2. Step 2: Convert to fraction form
    93,772.56/140,658.84 = 28,108.56/x
  3. Step 3: Cross multiply
    93,772.56x = 140,658.84 × 28,108.56
  4. Step 4: Simplify right side
    93,772.56x = 3,953,717,443.67
  5. Step 5: Solve for x
    x = 3,953,717,443.67/93,772.56
  6. Step 6: Final answer
    x = 42,162.84

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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.