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Finding the Fourth Proportional to 186,173.72, 256,921.48 and 110,707.64

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Solution

The fourth proportional to 186,173.72, 256,921.48 and 110,707.64 is: 152,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,173.72 : 256,921.48 = 110,707.64 : x
  2. Step 2: Convert to fraction form
    186,173.72/256,921.48 = 110,707.64/x
  3. Step 3: Cross multiply
    186,173.72x = 256,921.48 × 110,707.64
  4. Step 4: Simplify right side
    186,173.72x = 28,443,170,716.11
  5. Step 5: Solve for x
    x = 28,443,170,716.11/186,173.72
  6. Step 6: Final answer
    x = 152,777.58

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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.