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Finding the Fourth Proportional to 84,704.30, 116,913.21 and 57,526.38

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Solution

The fourth proportional to 84,704.30, 116,913.21 and 57,526.38 is: 79,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,704.30 : 116,913.21 = 57,526.38 : x
  2. Step 2: Convert to fraction form
    84,704.30/116,913.21 = 57,526.38/x
  3. Step 3: Cross multiply
    84,704.30x = 116,913.21 × 57,526.38
  4. Step 4: Simplify right side
    84,704.30x = 6,725,593,457.85
  5. Step 5: Solve for x
    x = 6,725,593,457.85/84,704.30
  6. Step 6: Final answer
    x = 79,400.85

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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.