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Finding the Fourth Proportional to 163,765.56, 245,638.62 and 159,333.24

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Solution

The fourth proportional to 163,765.56, 245,638.62 and 159,333.24 is: 238,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,765.56 : 245,638.62 = 159,333.24 : x
  2. Step 2: Convert to fraction form
    163,765.56/245,638.62 = 159,333.24/x
  3. Step 3: Cross multiply
    163,765.56x = 245,638.62 × 159,333.24
  4. Step 4: Simplify right side
    163,765.56x = 39,138,397,193.73
  5. Step 5: Solve for x
    x = 39,138,397,193.73/163,765.56
  6. Step 6: Final answer
    x = 238,990.40

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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.