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Finding the Fourth Proportional to 268,153.52, 370,054.05 and 147,297.50

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Solution

The fourth proportional to 268,153.52, 370,054.05 and 147,297.50 is: 203,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,153.52 : 370,054.05 = 147,297.50 : x
  2. Step 2: Convert to fraction form
    268,153.52/370,054.05 = 147,297.50/x
  3. Step 3: Cross multiply
    268,153.52x = 370,054.05 × 147,297.50
  4. Step 4: Simplify right side
    268,153.52x = 54,508,036,519.67
  5. Step 5: Solve for x
    x = 54,508,036,519.67/268,153.52
  6. Step 6: Final answer
    x = 203,271.76

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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.