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Finding the Fourth Proportional to 238,682.49, 357,968.29 and 70,157.73

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Solution

The fourth proportional to 238,682.49, 357,968.29 and 70,157.73 is: 105,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,682.49 : 357,968.29 = 70,157.73 : x
  2. Step 2: Convert to fraction form
    238,682.49/357,968.29 = 70,157.73/x
  3. Step 3: Cross multiply
    238,682.49x = 357,968.29 × 70,157.73
  4. Step 4: Simplify right side
    238,682.49x = 25,114,242,638.38
  5. Step 5: Solve for x
    x = 25,114,242,638.38/238,682.49
  6. Step 6: Final answer
    x = 105,220.30

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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.