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Finding the Fourth Proportional to 268,355.63, 370,330.89 and 147,495.94

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Solution

The fourth proportional to 268,355.63, 370,330.89 and 147,495.94 is: 203,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,355.63 : 370,330.89 = 147,495.94 : x
  2. Step 2: Convert to fraction form
    268,355.63/370,330.89 = 147,495.94/x
  3. Step 3: Cross multiply
    268,355.63x = 370,330.89 × 147,495.94
  4. Step 4: Simplify right side
    268,355.63x = 54,622,301,252.65
  5. Step 5: Solve for x
    x = 54,622,301,252.65/268,355.63
  6. Step 6: Final answer
    x = 203,544.46

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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.