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Finding the Fourth Proportional to 134,847.70, 202,271.55 and 84,984.10

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Solution

The fourth proportional to 134,847.70, 202,271.55 and 84,984.10 is: 127,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,847.70 : 202,271.55 = 84,984.10 : x
  2. Step 2: Convert to fraction form
    134,847.70/202,271.55 = 84,984.10/x
  3. Step 3: Cross multiply
    134,847.70x = 202,271.55 × 84,984.10
  4. Step 4: Simplify right side
    134,847.70x = 17,189,865,632.36
  5. Step 5: Solve for x
    x = 17,189,865,632.36/134,847.70
  6. Step 6: Final answer
    x = 127,476.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.