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Finding the Fourth Proportional to 84,704.80, 116,913.89 and 57,526.88

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Solution

The fourth proportional to 84,704.80, 116,913.89 and 57,526.88 is: 79,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,704.80 : 116,913.89 = 57,526.88 : x
  2. Step 2: Convert to fraction form
    84,704.80/116,913.89 = 57,526.88/x
  3. Step 3: Cross multiply
    84,704.80x = 116,913.89 × 57,526.88
  4. Step 4: Simplify right side
    84,704.80x = 6,725,691,320.36
  5. Step 5: Solve for x
    x = 6,725,691,320.36/84,704.80
  6. Step 6: Final answer
    x = 79,401.54

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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.