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Finding the Fourth Proportional to 98,484.96, 136,022.40 and 71,747.04

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Solution

The fourth proportional to 98,484.96, 136,022.40 and 71,747.04 is: 99,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,484.96 : 136,022.40 = 71,747.04 : x
  2. Step 2: Convert to fraction form
    98,484.96/136,022.40 = 71,747.04/x
  3. Step 3: Cross multiply
    98,484.96x = 136,022.40 × 71,747.04
  4. Step 4: Simplify right side
    98,484.96x = 9,759,204,573.70
  5. Step 5: Solve for x
    x = 9,759,204,573.70/98,484.96
  6. Step 6: Final answer
    x = 99,093.35

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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.