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Finding the Fourth Proportional to 219,897.18, 303,453.54 and 119,295.18

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Solution

The fourth proportional to 219,897.18, 303,453.54 and 119,295.18 is: 164,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,897.18 : 303,453.54 = 119,295.18 : x
  2. Step 2: Convert to fraction form
    219,897.18/303,453.54 = 119,295.18/x
  3. Step 3: Cross multiply
    219,897.18x = 303,453.54 × 119,295.18
  4. Step 4: Simplify right side
    219,897.18x = 36,200,544,675.94
  5. Step 5: Solve for x
    x = 36,200,544,675.94/219,897.18
  6. Step 6: Final answer
    x = 164,624.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.