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Finding the Fourth Proportional to 238,297.98, 357,539.58 and 105,084.30

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Solution

The fourth proportional to 238,297.98, 357,539.58 and 105,084.30 is: 157,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,297.98 : 357,539.58 = 105,084.30 : x
  2. Step 2: Convert to fraction form
    238,297.98/357,539.58 = 105,084.30/x
  3. Step 3: Cross multiply
    238,297.98x = 357,539.58 × 105,084.30
  4. Step 4: Simplify right side
    238,297.98x = 37,571,796,486.59
  5. Step 5: Solve for x
    x = 37,571,796,486.59/238,297.98
  6. Step 6: Final answer
    x = 157,667.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.