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Finding the Fourth Proportional to 186,506.96, 279,762.35 and 149,303.57

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Solution

The fourth proportional to 186,506.96, 279,762.35 and 149,303.57 is: 223,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,506.96 : 279,762.35 = 149,303.57 : x
  2. Step 2: Convert to fraction form
    186,506.96/279,762.35 = 149,303.57/x
  3. Step 3: Cross multiply
    186,506.96x = 279,762.35 × 149,303.57
  4. Step 4: Simplify right side
    186,506.96x = 41,769,515,461.26
  5. Step 5: Solve for x
    x = 41,769,515,461.26/186,506.96
  6. Step 6: Final answer
    x = 223,956.88

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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.