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Finding the Fourth Proportional to 170,735.40, 256,103.10 and 159,071.40

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Solution

The fourth proportional to 170,735.40, 256,103.10 and 159,071.40 is: 238,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,735.40 : 256,103.10 = 159,071.40 : x
  2. Step 2: Convert to fraction form
    170,735.40/256,103.10 = 159,071.40/x
  3. Step 3: Cross multiply
    170,735.40x = 256,103.10 × 159,071.40
  4. Step 4: Simplify right side
    170,735.40x = 40,738,678,661.34
  5. Step 5: Solve for x
    x = 40,738,678,661.34/170,735.40
  6. Step 6: Final answer
    x = 238,607.10

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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.