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Finding the Fourth Proportional to 219,950.40, 303,535.08 and 119,348.40

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Solution

The fourth proportional to 219,950.40, 303,535.08 and 119,348.40 is: 164,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,950.40 : 303,535.08 = 119,348.40 : x
  2. Step 2: Convert to fraction form
    219,950.40/303,535.08 = 119,348.40/x
  3. Step 3: Cross multiply
    219,950.40x = 303,535.08 × 119,348.40
  4. Step 4: Simplify right side
    219,950.40x = 36,226,426,141.87
  5. Step 5: Solve for x
    x = 36,226,426,141.87/219,950.40
  6. Step 6: Final answer
    x = 164,702.71

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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.