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Finding the Fourth Proportional to 186,096.18, 256,879.53 and 110,644.50

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Solution

The fourth proportional to 186,096.18, 256,879.53 and 110,644.50 is: 152,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,096.18 : 256,879.53 = 110,644.50 : x
  2. Step 2: Convert to fraction form
    186,096.18/256,879.53 = 110,644.50/x
  3. Step 3: Cross multiply
    186,096.18x = 256,879.53 × 110,644.50
  4. Step 4: Simplify right side
    186,096.18x = 28,422,307,157.09
  5. Step 5: Solve for x
    x = 28,422,307,157.09/186,096.18
  6. Step 6: Final answer
    x = 152,729.13

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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.