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Finding the Fourth Proportional to 163,065.70, 244,586.40 and 68,271.40

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Solution

The fourth proportional to 163,065.70, 244,586.40 and 68,271.40 is: 102,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,065.70 : 244,586.40 = 68,271.40 : x
  2. Step 2: Convert to fraction form
    163,065.70/244,586.40 = 68,271.40/x
  3. Step 3: Cross multiply
    163,065.70x = 244,586.40 × 68,271.40
  4. Step 4: Simplify right side
    163,065.70x = 16,698,255,948.96
  5. Step 5: Solve for x
    x = 16,698,255,948.96/163,065.70
  6. Step 6: Final answer
    x = 102,402.01

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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.