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Finding the Fourth Proportional to 214,601.03, 321,971.79 and 88,300.77

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Solution

The fourth proportional to 214,601.03, 321,971.79 and 88,300.77 is: 132,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,601.03 : 321,971.79 = 88,300.77 : x
  2. Step 2: Convert to fraction form
    214,601.03/321,971.79 = 88,300.77/x
  3. Step 3: Cross multiply
    214,601.03x = 321,971.79 × 88,300.77
  4. Step 4: Simplify right side
    214,601.03x = 28,430,356,975.28
  5. Step 5: Solve for x
    x = 28,430,356,975.28/214,601.03
  6. Step 6: Final answer
    x = 132,480.06

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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.