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Finding the Fourth Proportional to 219,630.40, 329,186.40 and 93,270.40

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Solution

The fourth proportional to 219,630.40, 329,186.40 and 93,270.40 is: 139,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,630.40 : 329,186.40 = 93,270.40 : x
  2. Step 2: Convert to fraction form
    219,630.40/329,186.40 = 93,270.40/x
  3. Step 3: Cross multiply
    219,630.40x = 329,186.40 × 93,270.40
  4. Step 4: Simplify right side
    219,630.40x = 30,703,347,202.56
  5. Step 5: Solve for x
    x = 30,703,347,202.56/219,630.40
  6. Step 6: Final answer
    x = 139,795.53

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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.