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Finding the Fourth Proportional to 202,157.45, 303,272.48 and 69,006.56

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Solution

The fourth proportional to 202,157.45, 303,272.48 and 69,006.56 is: 103,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,157.45 : 303,272.48 = 69,006.56 : x
  2. Step 2: Convert to fraction form
    202,157.45/303,272.48 = 69,006.56/x
  3. Step 3: Cross multiply
    202,157.45x = 303,272.48 × 69,006.56
  4. Step 4: Simplify right side
    202,157.45x = 20,927,791,518.17
  5. Step 5: Solve for x
    x = 20,927,791,518.17/202,157.45
  6. Step 6: Final answer
    x = 103,522.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.