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Finding the Fourth Proportional to 186,047.76, 256,744.56 and 101,164.88

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Solution

The fourth proportional to 186,047.76, 256,744.56 and 101,164.88 is: 139,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,047.76 : 256,744.56 = 101,164.88 : x
  2. Step 2: Convert to fraction form
    186,047.76/256,744.56 = 101,164.88/x
  3. Step 3: Cross multiply
    186,047.76x = 256,744.56 × 101,164.88
  4. Step 4: Simplify right side
    186,047.76x = 25,973,532,603.05
  5. Step 5: Solve for x
    x = 25,973,532,603.05/186,047.76
  6. Step 6: Final answer
    x = 139,606.80

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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.