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Finding the Fourth Proportional to 151,805.60, 227,708.40 and 46,629.80

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Solution

The fourth proportional to 151,805.60, 227,708.40 and 46,629.80 is: 69,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,805.60 : 227,708.40 = 46,629.80 : x
  2. Step 2: Convert to fraction form
    151,805.60/227,708.40 = 46,629.80/x
  3. Step 3: Cross multiply
    151,805.60x = 227,708.40 × 46,629.80
  4. Step 4: Simplify right side
    151,805.60x = 10,617,997,150.32
  5. Step 5: Solve for x
    x = 10,617,997,150.32/151,805.60
  6. Step 6: Final answer
    x = 69,944.70

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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.