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Finding the Fourth Proportional to 186,676.55, 280,014.28 and 46,435.17

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Solution

The fourth proportional to 186,676.55, 280,014.28 and 46,435.17 is: 69,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,676.55 : 280,014.28 = 46,435.17 : x
  2. Step 2: Convert to fraction form
    186,676.55/280,014.28 = 46,435.17/x
  3. Step 3: Cross multiply
    186,676.55x = 280,014.28 × 46,435.17
  4. Step 4: Simplify right side
    186,676.55x = 13,002,510,694.23
  5. Step 5: Solve for x
    x = 13,002,510,694.23/186,676.55
  6. Step 6: Final answer
    x = 69,652.62

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1.5x scale

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.