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Finding the Fourth Proportional to 162,876.70, 244,315.05 and 139,548.70

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Solution

The fourth proportional to 162,876.70, 244,315.05 and 139,548.70 is: 209,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,876.70 : 244,315.05 = 139,548.70 : x
  2. Step 2: Convert to fraction form
    162,876.70/244,315.05 = 139,548.70/x
  3. Step 3: Cross multiply
    162,876.70x = 244,315.05 × 139,548.70
  4. Step 4: Simplify right side
    162,876.70x = 34,093,847,617.94
  5. Step 5: Solve for x
    x = 34,093,847,617.94/162,876.70
  6. Step 6: Final answer
    x = 209,323.05

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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.