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Finding the Fourth Proportional to 186,010.55, 256,683.05 and 104,334.30

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Solution

The fourth proportional to 186,010.55, 256,683.05 and 104,334.30 is: 143,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,010.55 : 256,683.05 = 104,334.30 : x
  2. Step 2: Convert to fraction form
    186,010.55/256,683.05 = 104,334.30/x
  3. Step 3: Cross multiply
    186,010.55x = 256,683.05 × 104,334.30
  4. Step 4: Simplify right side
    186,010.55x = 26,780,845,821.94
  5. Step 5: Solve for x
    x = 26,780,845,821.94/186,010.55
  6. Step 6: Final answer
    x = 143,974.88

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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.