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Finding the Fourth Proportional to 218,328.56, 327,492.82 and 60,557.02

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Solution

The fourth proportional to 218,328.56, 327,492.82 and 60,557.02 is: 90,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,328.56 : 327,492.82 = 60,557.02 : x
  2. Step 2: Convert to fraction form
    218,328.56/327,492.82 = 60,557.02/x
  3. Step 3: Cross multiply
    218,328.56x = 327,492.82 × 60,557.02
  4. Step 4: Simplify right side
    218,328.56x = 19,831,988,507.56
  5. Step 5: Solve for x
    x = 19,831,988,507.56/218,328.56
  6. Step 6: Final answer
    x = 90,835.52

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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.