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Finding the Fourth Proportional to 159,638.16, 238,968.23 and 103,366.32

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Solution

The fourth proportional to 159,638.16, 238,968.23 and 103,366.32 is: 154,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,638.16 : 238,968.23 = 103,366.32 : x
  2. Step 2: Convert to fraction form
    159,638.16/238,968.23 = 103,366.32/x
  3. Step 3: Cross multiply
    159,638.16x = 238,968.23 × 103,366.32
  4. Step 4: Simplify right side
    159,638.16x = 24,701,266,015.18
  5. Step 5: Solve for x
    x = 24,701,266,015.18/159,638.16
  6. Step 6: Final answer
    x = 154,732.84

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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.