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Finding the Fourth Proportional to 146,699.84, 220,014.36 and 67,738.16

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Solution

The fourth proportional to 146,699.84, 220,014.36 and 67,738.16 is: 101,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,699.84 : 220,014.36 = 67,738.16 : x
  2. Step 2: Convert to fraction form
    146,699.84/220,014.36 = 67,738.16/x
  3. Step 3: Cross multiply
    146,699.84x = 220,014.36 × 67,738.16
  4. Step 4: Simplify right side
    146,699.84x = 14,903,367,919.98
  5. Step 5: Solve for x
    x = 14,903,367,919.98/146,699.84
  6. Step 6: Final answer
    x = 101,590.89

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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.