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Finding the Fourth Proportional to 186,704.84, 257,658.90 and 101,826.68

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Solution

The fourth proportional to 186,704.84, 257,658.90 and 101,826.68 is: 140,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,704.84 : 257,658.90 = 101,826.68 : x
  2. Step 2: Convert to fraction form
    186,704.84/257,658.90 = 101,826.68/x
  3. Step 3: Cross multiply
    186,704.84x = 257,658.90 × 101,826.68
  4. Step 4: Simplify right side
    186,704.84x = 26,236,550,359.45
  5. Step 5: Solve for x
    x = 26,236,550,359.45/186,704.84
  6. Step 6: Final answer
    x = 140,524.21

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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.