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Finding the Fourth Proportional to 119,229.48, 178,871.88 and 34,986.24

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Solution

The fourth proportional to 119,229.48, 178,871.88 and 34,986.24 is: 52,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,229.48 : 178,871.88 = 34,986.24 : x
  2. Step 2: Convert to fraction form
    119,229.48/178,871.88 = 34,986.24/x
  3. Step 3: Cross multiply
    119,229.48x = 178,871.88 × 34,986.24
  4. Step 4: Simplify right side
    119,229.48x = 6,258,054,522.93
  5. Step 5: Solve for x
    x = 6,258,054,522.93/119,229.48
  6. Step 6: Final answer
    x = 52,487.48

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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.