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Finding the Fourth Proportional to 98,336.34, 135,704.16 and 53,624.34

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Solution

The fourth proportional to 98,336.34, 135,704.16 and 53,624.34 is: 74,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,336.34 : 135,704.16 = 53,624.34 : x
  2. Step 2: Convert to fraction form
    98,336.34/135,704.16 = 53,624.34/x
  3. Step 3: Cross multiply
    98,336.34x = 135,704.16 × 53,624.34
  4. Step 4: Simplify right side
    98,336.34x = 7,277,046,015.25
  5. Step 5: Solve for x
    x = 7,277,046,015.25/98,336.34
  6. Step 6: Final answer
    x = 74,001.60

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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.