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Finding the Fourth Proportional to 200,624.95, 276,890.94 and 124,168.67

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Solution

The fourth proportional to 200,624.95, 276,890.94 and 124,168.67 is: 171,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,624.95 : 276,890.94 = 124,168.67 : x
  2. Step 2: Convert to fraction form
    200,624.95/276,890.94 = 124,168.67/x
  3. Step 3: Cross multiply
    200,624.95x = 276,890.94 × 124,168.67
  4. Step 4: Simplify right side
    200,624.95x = 34,381,178,370.40
  5. Step 5: Solve for x
    x = 34,381,178,370.40/200,624.95
  6. Step 6: Final answer
    x = 171,370.41

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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.