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Finding the Fourth Proportional to 268,303.88, 370,039.62 and 166,258.46

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Solution

The fourth proportional to 268,303.88, 370,039.62 and 166,258.46 is: 229,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,303.88 : 370,039.62 = 166,258.46 : x
  2. Step 2: Convert to fraction form
    268,303.88/370,039.62 = 166,258.46/x
  3. Step 3: Cross multiply
    268,303.88x = 370,039.62 × 166,258.46
  4. Step 4: Simplify right side
    268,303.88x = 61,522,217,360.19
  5. Step 5: Solve for x
    x = 61,522,217,360.19/268,303.88
  6. Step 6: Final answer
    x = 229,300.51

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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.