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Finding the Fourth Proportional to 239,293.04, 330,224.49 and 130,396.64

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Solution

The fourth proportional to 239,293.04, 330,224.49 and 130,396.64 is: 179,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,293.04 : 330,224.49 = 130,396.64 : x
  2. Step 2: Convert to fraction form
    239,293.04/330,224.49 = 130,396.64/x
  3. Step 3: Cross multiply
    239,293.04x = 330,224.49 × 130,396.64
  4. Step 4: Simplify right side
    239,293.04x = 43,060,163,941.71
  5. Step 5: Solve for x
    x = 43,060,163,941.71/239,293.04
  6. Step 6: Final answer
    x = 179,947.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.