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Finding the Fourth Proportional to 93,286.28, 139,929.37 and 34,089.65

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Solution

The fourth proportional to 93,286.28, 139,929.37 and 34,089.65 is: 51,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,286.28 : 139,929.37 = 34,089.65 : x
  2. Step 2: Convert to fraction form
    93,286.28/139,929.37 = 34,089.65/x
  3. Step 3: Cross multiply
    93,286.28x = 139,929.37 × 34,089.65
  4. Step 4: Simplify right side
    93,286.28x = 4,770,143,248.02
  5. Step 5: Solve for x
    x = 4,770,143,248.02/93,286.28
  6. Step 6: Final answer
    x = 51,134.46

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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.