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Finding the Fourth Proportional to 219,622.40, 329,174.40 and 93,262.40

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Solution

The fourth proportional to 219,622.40, 329,174.40 and 93,262.40 is: 139,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,622.40 : 329,174.40 = 93,262.40 : x
  2. Step 2: Convert to fraction form
    219,622.40/329,174.40 = 93,262.40/x
  3. Step 3: Cross multiply
    219,622.40x = 329,174.40 × 93,262.40
  4. Step 4: Simplify right side
    219,622.40x = 30,699,594,562.56
  5. Step 5: Solve for x
    x = 30,699,594,562.56/219,622.40
  6. Step 6: Final answer
    x = 139,783.53

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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.