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Finding the Fourth Proportional to 234,999.42, 324,304.68 and 139,506.48

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Solution

The fourth proportional to 234,999.42, 324,304.68 and 139,506.48 is: 192,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,999.42 : 324,304.68 = 139,506.48 : x
  2. Step 2: Convert to fraction form
    234,999.42/324,304.68 = 139,506.48/x
  3. Step 3: Cross multiply
    234,999.42x = 324,304.68 × 139,506.48
  4. Step 4: Simplify right side
    234,999.42x = 45,242,604,354.33
  5. Step 5: Solve for x
    x = 45,242,604,354.33/234,999.42
  6. Step 6: Final answer
    x = 192,522.20

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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.