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Finding the Fourth Proportional to 186,673.91, 280,011.88 and 46,432.54

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Solution

The fourth proportional to 186,673.91, 280,011.88 and 46,432.54 is: 69,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,673.91 : 280,011.88 = 46,432.54 : x
  2. Step 2: Convert to fraction form
    186,673.91/280,011.88 = 46,432.54/x
  3. Step 3: Cross multiply
    186,673.91x = 280,011.88 × 46,432.54
  4. Step 4: Simplify right side
    186,673.91x = 13,001,661,418.52
  5. Step 5: Solve for x
    x = 13,001,661,418.52/186,673.91
  6. Step 6: Final answer
    x = 69,649.05

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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.