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Finding the Fourth Proportional to 186,003.42, 256,673.82 and 101,119.74

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Solution

The fourth proportional to 186,003.42, 256,673.82 and 101,119.74 is: 139,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,003.42 : 256,673.82 = 101,119.74 : x
  2. Step 2: Convert to fraction form
    186,003.42/256,673.82 = 101,119.74/x
  3. Step 3: Cross multiply
    186,003.42x = 256,673.82 × 101,119.74
  4. Step 4: Simplify right side
    186,003.42x = 25,954,789,943.21
  5. Step 5: Solve for x
    x = 25,954,789,943.21/186,003.42
  6. Step 6: Final answer
    x = 139,539.32

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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.