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Finding the Fourth Proportional to 220,152.24, 303,951.60 and 151,356.24

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Solution

The fourth proportional to 220,152.24, 303,951.60 and 151,356.24 is: 208,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,152.24 : 303,951.60 = 151,356.24 : x
  2. Step 2: Convert to fraction form
    220,152.24/303,951.60 = 151,356.24/x
  3. Step 3: Cross multiply
    220,152.24x = 303,951.60 × 151,356.24
  4. Step 4: Simplify right side
    220,152.24x = 46,004,971,317.98
  5. Step 5: Solve for x
    x = 46,004,971,317.98/220,152.24
  6. Step 6: Final answer
    x = 208,968.90

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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.