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Finding the Fourth Proportional to 186,012.46, 256,696.13 and 103,225.62

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Solution

The fourth proportional to 186,012.46, 256,696.13 and 103,225.62 is: 142,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,012.46 : 256,696.13 = 103,225.62 : x
  2. Step 2: Convert to fraction form
    186,012.46/256,696.13 = 103,225.62/x
  3. Step 3: Cross multiply
    186,012.46x = 256,696.13 × 103,225.62
  4. Step 4: Simplify right side
    186,012.46x = 26,497,615,499.85
  5. Step 5: Solve for x
    x = 26,497,615,499.85/186,012.46
  6. Step 6: Final answer
    x = 142,450.75

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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.