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Finding the Fourth Proportional to 268,069.04, 370,061.24 and 154,869.92

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Solution

The fourth proportional to 268,069.04, 370,061.24 and 154,869.92 is: 213,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,069.04 : 370,061.24 = 154,869.92 : x
  2. Step 2: Convert to fraction form
    268,069.04/370,061.24 = 154,869.92/x
  3. Step 3: Cross multiply
    268,069.04x = 370,061.24 × 154,869.92
  4. Step 4: Simplify right side
    268,069.04x = 57,311,354,633.90
  5. Step 5: Solve for x
    x = 57,311,354,633.90/268,069.04
  6. Step 6: Final answer
    x = 213,793.26

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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.