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Finding the Fourth Proportional to 152,239.40, 227,921.70 and 93,190.40

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Solution

The fourth proportional to 152,239.40, 227,921.70 and 93,190.40 is: 139,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,239.40 : 227,921.70 = 93,190.40 : x
  2. Step 2: Convert to fraction form
    152,239.40/227,921.70 = 93,190.40/x
  3. Step 3: Cross multiply
    152,239.40x = 227,921.70 × 93,190.40
  4. Step 4: Simplify right side
    152,239.40x = 21,240,114,391.68
  5. Step 5: Solve for x
    x = 21,240,114,391.68/152,239.40
  6. Step 6: Final answer
    x = 139,517.85

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1.5x scale

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.