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Finding the Fourth Proportional to 186,882.96, 280,323 and 46,640.64

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Solution

The fourth proportional to 186,882.96, 280,323 and 46,640.64 is: 69,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,882.96 : 280,323 = 46,640.64 : x
  2. Step 2: Convert to fraction form
    186,882.96/280,323 = 46,640.64/x
  3. Step 3: Cross multiply
    186,882.96x = 280,323 × 46,640.64
  4. Step 4: Simplify right side
    186,882.96x = 13,074,444,126.72
  5. Step 5: Solve for x
    x = 13,074,444,126.72/186,882.96
  6. Step 6: Final answer
    x = 69,960.60

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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.