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Finding the Fourth Proportional to 268,675.88, 370,772.69 and 147,814.57

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Solution

The fourth proportional to 268,675.88, 370,772.69 and 147,814.57 is: 203,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,675.88 : 370,772.69 = 147,814.57 : x
  2. Step 2: Convert to fraction form
    268,675.88/370,772.69 = 147,814.57/x
  3. Step 3: Cross multiply
    268,675.88x = 370,772.69 × 147,814.57
  4. Step 4: Simplify right side
    268,675.88x = 54,805,605,740.09
  5. Step 5: Solve for x
    x = 54,805,605,740.09/268,675.88
  6. Step 6: Final answer
    x = 203,984.09

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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.