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Finding the Fourth Proportional to 97,359.78, 146,039.67 and 38,223.30

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Solution

The fourth proportional to 97,359.78, 146,039.67 and 38,223.30 is: 57,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,359.78 : 146,039.67 = 38,223.30 : x
  2. Step 2: Convert to fraction form
    97,359.78/146,039.67 = 38,223.30/x
  3. Step 3: Cross multiply
    97,359.78x = 146,039.67 × 38,223.30
  4. Step 4: Simplify right side
    97,359.78x = 5,582,118,118.31
  5. Step 5: Solve for x
    x = 5,582,118,118.31/97,359.78
  6. Step 6: Final answer
    x = 57,334.95

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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.