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Finding the Fourth Proportional to 101,647.41, 140,269.65 and 58,628.67

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Solution

The fourth proportional to 101,647.41, 140,269.65 and 58,628.67 is: 80,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,647.41 : 140,269.65 = 58,628.67 : x
  2. Step 2: Convert to fraction form
    101,647.41/140,269.65 = 58,628.67/x
  3. Step 3: Cross multiply
    101,647.41x = 140,269.65 × 58,628.67
  4. Step 4: Simplify right side
    101,647.41x = 8,223,822,834.40
  5. Step 5: Solve for x
    x = 8,223,822,834.40/101,647.41
  6. Step 6: Final answer
    x = 80,905.38

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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.