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Finding the Fourth Proportional to 112,098.54, 154,694.96 and 61,797.54

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Solution

The fourth proportional to 112,098.54, 154,694.96 and 61,797.54 is: 85,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.54 : 154,694.96 = 61,797.54 : x
  2. Step 2: Convert to fraction form
    112,098.54/154,694.96 = 61,797.54/x
  3. Step 3: Cross multiply
    112,098.54x = 154,694.96 × 61,797.54
  4. Step 4: Simplify right side
    112,098.54x = 9,559,767,978.40
  5. Step 5: Solve for x
    x = 9,559,767,978.40/112,098.54
  6. Step 6: Final answer
    x = 85,280.04

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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.