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Finding the Fourth Proportional to 268,775.54, 370,925.54 and 154,073.26

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Solution

The fourth proportional to 268,775.54, 370,925.54 and 154,073.26 is: 212,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,775.54 : 370,925.54 = 154,073.26 : x
  2. Step 2: Convert to fraction form
    268,775.54/370,925.54 = 154,073.26/x
  3. Step 3: Cross multiply
    268,775.54x = 370,925.54 × 154,073.26
  4. Step 4: Simplify right side
    268,775.54x = 57,149,707,165.06
  5. Step 5: Solve for x
    x = 57,149,707,165.06/268,775.54
  6. Step 6: Final answer
    x = 212,629.87

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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.