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Finding the Fourth Proportional to 236,537.40, 355,215.70 and 166,905.40

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Solution

The fourth proportional to 236,537.40, 355,215.70 and 166,905.40 is: 250,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,537.40 : 355,215.70 = 166,905.40 : x
  2. Step 2: Convert to fraction form
    236,537.40/355,215.70 = 166,905.40/x
  3. Step 3: Cross multiply
    236,537.40x = 355,215.70 × 166,905.40
  4. Step 4: Simplify right side
    236,537.40x = 59,287,418,494.78
  5. Step 5: Solve for x
    x = 59,287,418,494.78/236,537.40
  6. Step 6: Final answer
    x = 250,647.12

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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.