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Finding the Fourth Proportional to 214,482.63, 321,726.23 and 64,724.24

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Solution

The fourth proportional to 214,482.63, 321,726.23 and 64,724.24 is: 97,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,482.63 : 321,726.23 = 64,724.24 : x
  2. Step 2: Convert to fraction form
    214,482.63/321,726.23 = 64,724.24/x
  3. Step 3: Cross multiply
    214,482.63x = 321,726.23 × 64,724.24
  4. Step 4: Simplify right side
    214,482.63x = 20,823,483,792.56
  5. Step 5: Solve for x
    x = 20,823,483,792.56/214,482.63
  6. Step 6: Final answer
    x = 97,087.04

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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.