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Finding the Fourth Proportional to 207,030.32, 310,611.09 and 73,907.63

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Solution

The fourth proportional to 207,030.32, 310,611.09 and 73,907.63 is: 110,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,030.32 : 310,611.09 = 73,907.63 : x
  2. Step 2: Convert to fraction form
    207,030.32/310,611.09 = 73,907.63/x
  3. Step 3: Cross multiply
    207,030.32x = 310,611.09 × 73,907.63
  4. Step 4: Simplify right side
    207,030.32x = 22,956,527,960.56
  5. Step 5: Solve for x
    x = 22,956,527,960.56/207,030.32
  6. Step 6: Final answer
    x = 110,884.86

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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.