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Finding the Fourth Proportional to 69,199.26, 103,419.72 and 50,518.63

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Solution

The fourth proportional to 69,199.26, 103,419.72 and 50,518.63 is: 75,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,199.26 : 103,419.72 = 50,518.63 : x
  2. Step 2: Convert to fraction form
    69,199.26/103,419.72 = 50,518.63/x
  3. Step 3: Cross multiply
    69,199.26x = 103,419.72 × 50,518.63
  4. Step 4: Simplify right side
    69,199.26x = 5,224,622,569.38
  5. Step 5: Solve for x
    x = 5,224,622,569.38/69,199.26
  6. Step 6: Final answer
    x = 75,501.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.