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Finding the Fourth Proportional to 186,005.85, 256,676.60 and 104,329.61

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Solution

The fourth proportional to 186,005.85, 256,676.60 and 104,329.61 is: 143,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,005.85 : 256,676.60 = 104,329.61 : x
  2. Step 2: Convert to fraction form
    186,005.85/256,676.60 = 104,329.61/x
  3. Step 3: Cross multiply
    186,005.85x = 256,676.60 × 104,329.61
  4. Step 4: Simplify right side
    186,005.85x = 26,778,967,769.10
  5. Step 5: Solve for x
    x = 26,778,967,769.10/186,005.85
  6. Step 6: Final answer
    x = 143,968.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.