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Finding the Fourth Proportional to 214,484.04, 321,728.46 and 64,725.75

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Solution

The fourth proportional to 214,484.04, 321,728.46 and 64,725.75 is: 97,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,484.04 : 321,728.46 = 64,725.75 : x
  2. Step 2: Convert to fraction form
    214,484.04/321,728.46 = 64,725.75/x
  3. Step 3: Cross multiply
    214,484.04x = 321,728.46 × 64,725.75
  4. Step 4: Simplify right side
    214,484.04x = 20,824,115,869.85
  5. Step 5: Solve for x
    x = 20,824,115,869.85/214,484.04
  6. Step 6: Final answer
    x = 97,089.35

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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.