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Finding the Fourth Proportional to 186,872.64, 280,353.60 and 60,513.03

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Solution

The fourth proportional to 186,872.64, 280,353.60 and 60,513.03 is: 90,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,872.64 : 280,353.60 = 60,513.03 : x
  2. Step 2: Convert to fraction form
    186,872.64/280,353.60 = 60,513.03/x
  3. Step 3: Cross multiply
    186,872.64x = 280,353.60 × 60,513.03
  4. Step 4: Simplify right side
    186,872.64x = 16,965,045,807.41
  5. Step 5: Solve for x
    x = 16,965,045,807.41/186,872.64
  6. Step 6: Final answer
    x = 90,784.00

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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.