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Finding the Fourth Proportional to 186,090.44, 279,136.70 and 45,848.04

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Solution

The fourth proportional to 186,090.44, 279,136.70 and 45,848.04 is: 68,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,090.44 : 279,136.70 = 45,848.04 : x
  2. Step 2: Convert to fraction form
    186,090.44/279,136.70 = 45,848.04/x
  3. Step 3: Cross multiply
    186,090.44x = 279,136.70 × 45,848.04
  4. Step 4: Simplify right side
    186,090.44x = 12,797,870,587.07
  5. Step 5: Solve for x
    x = 12,797,870,587.07/186,090.44
  6. Step 6: Final answer
    x = 68,772.32

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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.