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Finding the Fourth Proportional to 186,580.32, 279,885.52 and 58,487.84

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Solution

The fourth proportional to 186,580.32, 279,885.52 and 58,487.84 is: 87,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,580.32 : 279,885.52 = 58,487.84 : x
  2. Step 2: Convert to fraction form
    186,580.32/279,885.52 = 58,487.84/x
  3. Step 3: Cross multiply
    186,580.32x = 279,885.52 × 58,487.84
  4. Step 4: Simplify right side
    186,580.32x = 16,369,899,512.08
  5. Step 5: Solve for x
    x = 16,369,899,512.08/186,580.32
  6. Step 6: Final answer
    x = 87,736.47

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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.