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Finding the Fourth Proportional to 98,560.92, 136,014.12 and 53,848.92

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Solution

The fourth proportional to 98,560.92, 136,014.12 and 53,848.92 is: 74,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,560.92 : 136,014.12 = 53,848.92 : x
  2. Step 2: Convert to fraction form
    98,560.92/136,014.12 = 53,848.92/x
  3. Step 3: Cross multiply
    98,560.92x = 136,014.12 × 53,848.92
  4. Step 4: Simplify right side
    98,560.92x = 7,324,213,466.75
  5. Step 5: Solve for x
    x = 7,324,213,466.75/98,560.92
  6. Step 6: Final answer
    x = 74,311.54

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Double scale
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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.