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Finding the Fourth Proportional to 308,300.58, 462,512.84 and 108,762.35

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Solution

The fourth proportional to 308,300.58, 462,512.84 and 108,762.35 is: 163,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,300.58 : 462,512.84 = 108,762.35 : x
  2. Step 2: Convert to fraction form
    308,300.58/462,512.84 = 108,762.35/x
  3. Step 3: Cross multiply
    308,300.58x = 462,512.84 × 108,762.35
  4. Step 4: Simplify right side
    308,300.58x = 50,303,980,527.20
  5. Step 5: Solve for x
    x = 50,303,980,527.20/308,300.58
  6. Step 6: Final answer
    x = 163,165.38

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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.