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Finding the Fourth Proportional to 162,480.81, 243,631.90 and 50,130.37

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Solution

The fourth proportional to 162,480.81, 243,631.90 and 50,130.37 is: 75,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,480.81 : 243,631.90 = 50,130.37 : x
  2. Step 2: Convert to fraction form
    162,480.81/243,631.90 = 50,130.37/x
  3. Step 3: Cross multiply
    162,480.81x = 243,631.90 × 50,130.37
  4. Step 4: Simplify right side
    162,480.81x = 12,213,357,290.80
  5. Step 5: Solve for x
    x = 12,213,357,290.80/162,480.81
  6. Step 6: Final answer
    x = 75,168.00

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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.