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Finding the Fourth Proportional to 88,628.84, 122,285.93 and 54,164.78

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Solution

The fourth proportional to 88,628.84, 122,285.93 and 54,164.78 is: 74,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,628.84 : 122,285.93 = 54,164.78 : x
  2. Step 2: Convert to fraction form
    88,628.84/122,285.93 = 54,164.78/x
  3. Step 3: Cross multiply
    88,628.84x = 122,285.93 × 54,164.78
  4. Step 4: Simplify right side
    88,628.84x = 6,623,589,613.29
  5. Step 5: Solve for x
    x = 6,623,589,613.29/88,628.84
  6. Step 6: Final answer
    x = 74,734.03

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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.