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Finding the Fourth Proportional to 308,303.04, 462,174.29 and 118,642.47

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Solution

The fourth proportional to 308,303.04, 462,174.29 and 118,642.47 is: 177,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,303.04 : 462,174.29 = 118,642.47 : x
  2. Step 2: Convert to fraction form
    308,303.04/462,174.29 = 118,642.47/x
  3. Step 3: Cross multiply
    308,303.04x = 462,174.29 × 118,642.47
  4. Step 4: Simplify right side
    308,303.04x = 54,833,499,336.10
  5. Step 5: Solve for x
    x = 54,833,499,336.10/308,303.04
  6. Step 6: Final answer
    x = 177,855.85

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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.