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Finding the Fourth Proportional to 214,483.53, 321,727.58 and 64,725.14

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Solution

The fourth proportional to 214,483.53, 321,727.58 and 64,725.14 is: 97,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,483.53 : 321,727.58 = 64,725.14 : x
  2. Step 2: Convert to fraction form
    214,483.53/321,727.58 = 64,725.14/x
  3. Step 3: Cross multiply
    214,483.53x = 321,727.58 × 64,725.14
  4. Step 4: Simplify right side
    214,483.53x = 20,823,862,657.36
  5. Step 5: Solve for x
    x = 20,823,862,657.36/214,483.53
  6. Step 6: Final answer
    x = 97,088.40

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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.