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Finding the Fourth Proportional to 116,541.84, 160,803.60 and 68,134.44

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Solution

The fourth proportional to 116,541.84, 160,803.60 and 68,134.44 is: 94,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,541.84 : 160,803.60 = 68,134.44 : x
  2. Step 2: Convert to fraction form
    116,541.84/160,803.60 = 68,134.44/x
  3. Step 3: Cross multiply
    116,541.84x = 160,803.60 × 68,134.44
  4. Step 4: Simplify right side
    116,541.84x = 10,956,263,235.98
  5. Step 5: Solve for x
    x = 10,956,263,235.98/116,541.84
  6. Step 6: Final answer
    x = 94,011.41

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1.5x scale

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.