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Finding the Fourth Proportional to 152,633.97, 210,647.50 and 84,672.86

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Solution

The fourth proportional to 152,633.97, 210,647.50 and 84,672.86 is: 116,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,633.97 : 210,647.50 = 84,672.86 : x
  2. Step 2: Convert to fraction form
    152,633.97/210,647.50 = 84,672.86/x
  3. Step 3: Cross multiply
    152,633.97x = 210,647.50 × 84,672.86
  4. Step 4: Simplify right side
    152,633.97x = 17,836,125,011.93
  5. Step 5: Solve for x
    x = 17,836,125,011.93/152,633.97
  6. Step 6: Final answer
    x = 116,855.54

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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.