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Finding the Fourth Proportional to 227,555.60, 313,891.42 and 147,030.60

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Solution

The fourth proportional to 227,555.60, 313,891.42 and 147,030.60 is: 202,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,555.60 : 313,891.42 = 147,030.60 : x
  2. Step 2: Convert to fraction form
    227,555.60/313,891.42 = 147,030.60/x
  3. Step 3: Cross multiply
    227,555.60x = 313,891.42 × 147,030.60
  4. Step 4: Simplify right side
    227,555.60x = 46,151,643,817.45
  5. Step 5: Solve for x
    x = 46,151,643,817.45/227,555.60
  6. Step 6: Final answer
    x = 202,814.80

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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.