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Finding the Fourth Proportional to 186,673.89, 280,010.30 and 46,432.52

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Solution

The fourth proportional to 186,673.89, 280,010.30 and 46,432.52 is: 69,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,673.89 : 280,010.30 = 46,432.52 : x
  2. Step 2: Convert to fraction form
    186,673.89/280,010.30 = 46,432.52/x
  3. Step 3: Cross multiply
    186,673.89x = 280,010.30 × 46,432.52
  4. Step 4: Simplify right side
    186,673.89x = 13,001,582,222.74
  5. Step 5: Solve for x
    x = 13,001,582,222.74/186,673.89
  6. Step 6: Final answer
    x = 69,648.64

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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.