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Finding the Fourth Proportional to 93,115.17, 139,672.80 and 22,994.55

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Solution

The fourth proportional to 93,115.17, 139,672.80 and 22,994.55 is: 34,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,115.17 : 139,672.80 = 22,994.55 : x
  2. Step 2: Convert to fraction form
    93,115.17/139,672.80 = 22,994.55/x
  3. Step 3: Cross multiply
    93,115.17x = 139,672.80 × 22,994.55
  4. Step 4: Simplify right side
    93,115.17x = 3,211,713,183.24
  5. Step 5: Solve for x
    x = 3,211,713,183.24/93,115.17
  6. Step 6: Final answer
    x = 34,491.84

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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.