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Finding the Fourth Proportional to 98,560.56, 136,013.58 and 53,848.56

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Solution

The fourth proportional to 98,560.56, 136,013.58 and 53,848.56 is: 74,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,560.56 : 136,013.58 = 53,848.56 : x
  2. Step 2: Convert to fraction form
    98,560.56/136,013.58 = 53,848.56/x
  3. Step 3: Cross multiply
    98,560.56x = 136,013.58 × 53,848.56
  4. Step 4: Simplify right side
    98,560.56x = 7,324,135,423.44
  5. Step 5: Solve for x
    x = 7,324,135,423.44/98,560.56
  6. Step 6: Final answer
    x = 74,311.02

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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.