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Finding the Fourth Proportional to 308,043.95, 462,109.72 and 94,829.65

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Solution

The fourth proportional to 308,043.95, 462,109.72 and 94,829.65 is: 142,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,043.95 : 462,109.72 = 94,829.65 : x
  2. Step 2: Convert to fraction form
    308,043.95/462,109.72 = 94,829.65/x
  3. Step 3: Cross multiply
    308,043.95x = 462,109.72 × 94,829.65
  4. Step 4: Simplify right side
    308,043.95x = 43,821,703,009.20
  5. Step 5: Solve for x
    x = 43,821,703,009.20/308,043.95
  6. Step 6: Final answer
    x = 142,257.96

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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.