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Finding the Fourth Proportional to 207,525.64, 310,789.43 and 118,509.34

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Solution

The fourth proportional to 207,525.64, 310,789.43 and 118,509.34 is: 177,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,525.64 : 310,789.43 = 118,509.34 : x
  2. Step 2: Convert to fraction form
    207,525.64/310,789.43 = 118,509.34/x
  3. Step 3: Cross multiply
    207,525.64x = 310,789.43 × 118,509.34
  4. Step 4: Simplify right side
    207,525.64x = 36,831,450,228.28
  5. Step 5: Solve for x
    x = 36,831,450,228.28/207,525.64
  6. Step 6: Final answer
    x = 177,479.03

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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.