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Finding the Fourth Proportional to 112,014.70, 168,022.01 and 65,234.77

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Solution

The fourth proportional to 112,014.70, 168,022.01 and 65,234.77 is: 97,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.70 : 168,022.01 = 65,234.77 : x
  2. Step 2: Convert to fraction form
    112,014.70/168,022.01 = 65,234.77/x
  3. Step 3: Cross multiply
    112,014.70x = 168,022.01 × 65,234.77
  4. Step 4: Simplify right side
    112,014.70x = 10,960,876,920.32
  5. Step 5: Solve for x
    x = 10,960,876,920.32/112,014.70
  6. Step 6: Final answer
    x = 97,852.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.