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Finding the Fourth Proportional to 98,568.69, 136,024.83 and 53,246.67

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Solution

The fourth proportional to 98,568.69, 136,024.83 and 53,246.67 is: 73,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,568.69 : 136,024.83 = 53,246.67 : x
  2. Step 2: Convert to fraction form
    98,568.69/136,024.83 = 53,246.67/x
  3. Step 3: Cross multiply
    98,568.69x = 136,024.83 × 53,246.67
  4. Step 4: Simplify right side
    98,568.69x = 7,242,869,234.82
  5. Step 5: Solve for x
    x = 7,242,869,234.82/98,568.69
  6. Step 6: Final answer
    x = 73,480.43

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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.