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Finding the Fourth Proportional to 308,025.63, 462,038.15 and 115,935.93

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Solution

The fourth proportional to 308,025.63, 462,038.15 and 115,935.93 is: 173,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,025.63 : 462,038.15 = 115,935.93 : x
  2. Step 2: Convert to fraction form
    308,025.63/462,038.15 = 115,935.93/x
  3. Step 3: Cross multiply
    308,025.63x = 462,038.15 × 115,935.93
  4. Step 4: Simplify right side
    308,025.63x = 53,566,822,905.57
  5. Step 5: Solve for x
    x = 53,566,822,905.57/308,025.63
  6. Step 6: Final answer
    x = 173,903.78

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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.