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Finding the Fourth Proportional to 245,491.56, 367,783.74 and 127,037.16

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Solution

The fourth proportional to 245,491.56, 367,783.74 and 127,037.16 is: 190,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,491.56 : 367,783.74 = 127,037.16 : x
  2. Step 2: Convert to fraction form
    245,491.56/367,783.74 = 127,037.16/x
  3. Step 3: Cross multiply
    245,491.56x = 367,783.74 × 127,037.16
  4. Step 4: Simplify right side
    245,491.56x = 46,722,201,823.78
  5. Step 5: Solve for x
    x = 46,722,201,823.78/245,491.56
  6. Step 6: Final answer
    x = 190,321.01

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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.