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Finding the Fourth Proportional to 186,094.88, 256,812.15 and 101,212.56

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Solution

The fourth proportional to 186,094.88, 256,812.15 and 101,212.56 is: 139,673.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,094.88 : 256,812.15 = 101,212.56 : x
  2. Step 2: Convert to fraction form
    186,094.88/256,812.15 = 101,212.56/x
  3. Step 3: Cross multiply
    186,094.88x = 256,812.15 × 101,212.56
  4. Step 4: Simplify right side
    186,094.88x = 25,992,615,140.60
  5. Step 5: Solve for x
    x = 25,992,615,140.60/186,094.88
  6. Step 6: Final answer
    x = 139,673.99

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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.