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Finding the Fourth Proportional to 268,102.83, 370,014.73 and 154,925.58

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Solution

The fourth proportional to 268,102.83, 370,014.73 and 154,925.58 is: 213,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,102.83 : 370,014.73 = 154,925.58 : x
  2. Step 2: Convert to fraction form
    268,102.83/370,014.73 = 154,925.58/x
  3. Step 3: Cross multiply
    268,102.83x = 370,014.73 × 154,925.58
  4. Step 4: Simplify right side
    268,102.83x = 57,324,746,444.16
  5. Step 5: Solve for x
    x = 57,324,746,444.16/268,102.83
  6. Step 6: Final answer
    x = 213,816.27

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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.