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Finding the Fourth Proportional to 268,816.88, 370,961.88 and 168,270.32

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Solution

The fourth proportional to 268,816.88, 370,961.88 and 168,270.32 is: 232,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,816.88 : 370,961.88 = 168,270.32 : x
  2. Step 2: Convert to fraction form
    268,816.88/370,961.88 = 168,270.32/x
  3. Step 3: Cross multiply
    268,816.88x = 370,961.88 × 168,270.32
  4. Step 4: Simplify right side
    268,816.88x = 62,421,874,255.40
  5. Step 5: Solve for x
    x = 62,421,874,255.40/268,816.88
  6. Step 6: Final answer
    x = 232,209.65

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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.