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Finding the Fourth Proportional to 528,096.96, 792,132.36 and 154,123.20

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Solution

The fourth proportional to 528,096.96, 792,132.36 and 154,123.20 is: 231,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,096.96 : 792,132.36 = 154,123.20 : x
  2. Step 2: Convert to fraction form
    528,096.96/792,132.36 = 154,123.20/x
  3. Step 3: Cross multiply
    528,096.96x = 792,132.36 × 154,123.20
  4. Step 4: Simplify right side
    528,096.96x = 122,085,974,146.75
  5. Step 5: Solve for x
    x = 122,085,974,146.75/528,096.96
  6. Step 6: Final answer
    x = 231,180.98

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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.