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Finding the Fourth Proportional to 268,674.25, 370,770.45 and 147,812.94

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Solution

The fourth proportional to 268,674.25, 370,770.45 and 147,812.94 is: 203,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,674.25 : 370,770.45 = 147,812.94 : x
  2. Step 2: Convert to fraction form
    268,674.25/370,770.45 = 147,812.94/x
  3. Step 3: Cross multiply
    268,674.25x = 370,770.45 × 147,812.94
  4. Step 4: Simplify right side
    268,674.25x = 54,804,671,599.56
  5. Step 5: Solve for x
    x = 54,804,671,599.56/268,674.25
  6. Step 6: Final answer
    x = 203,981.85

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1.5x scale

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.