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Finding the Fourth Proportional to 186,866.63, 280,344.60 and 60,507.02

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Solution

The fourth proportional to 186,866.63, 280,344.60 and 60,507.02 is: 90,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,866.63 : 280,344.60 = 60,507.02 : x
  2. Step 2: Convert to fraction form
    186,866.63/280,344.60 = 60,507.02/x
  3. Step 3: Cross multiply
    186,866.63x = 280,344.60 × 60,507.02
  4. Step 4: Simplify right side
    186,866.63x = 16,962,814,917.37
  5. Step 5: Solve for x
    x = 16,962,814,917.37/186,866.63
  6. Step 6: Final answer
    x = 90,774.98

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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.