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Finding the Fourth Proportional to 220,185.70, 303,854.54 and 119,583.70

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Solution

The fourth proportional to 220,185.70, 303,854.54 and 119,583.70 is: 165,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185.70 : 303,854.54 = 119,583.70 : x
  2. Step 2: Convert to fraction form
    220,185.70/303,854.54 = 119,583.70/x
  3. Step 3: Cross multiply
    220,185.70x = 303,854.54 × 119,583.70
  4. Step 4: Simplify right side
    220,185.70x = 36,336,050,155.00
  5. Step 5: Solve for x
    x = 36,336,050,155.00/220,185.70
  6. Step 6: Final answer
    x = 165,024.57

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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.