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Finding the Fourth Proportional to 214,005.70, 321,015.94 and 101,627.92

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Solution

The fourth proportional to 214,005.70, 321,015.94 and 101,627.92 is: 152,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,005.70 : 321,015.94 = 101,627.92 : x
  2. Step 2: Convert to fraction form
    214,005.70/321,015.94 = 101,627.92/x
  3. Step 3: Cross multiply
    214,005.70x = 321,015.94 × 101,627.92
  4. Step 4: Simplify right side
    214,005.70x = 32,624,182,269.04
  5. Step 5: Solve for x
    x = 32,624,182,269.04/214,005.70
  6. Step 6: Final answer
    x = 152,445.39

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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.