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Finding the Fourth Proportional to 159,362.59, 238,988.17 and 47,012.98

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Solution

The fourth proportional to 159,362.59, 238,988.17 and 47,012.98 is: 70,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,362.59 : 238,988.17 = 47,012.98 : x
  2. Step 2: Convert to fraction form
    159,362.59/238,988.17 = 47,012.98/x
  3. Step 3: Cross multiply
    159,362.59x = 238,988.17 × 47,012.98
  4. Step 4: Simplify right side
    159,362.59x = 11,235,546,056.45
  5. Step 5: Solve for x
    x = 11,235,546,056.45/159,362.59
  6. Step 6: Final answer
    x = 70,503.03

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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.