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Finding the Fourth Proportional to 177,160, 244,480.80 and 97,672

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Solution

The fourth proportional to 177,160, 244,480.80 and 97,672 is: 134,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,160 : 244,480.80 = 97,672 : x
  2. Step 2: Convert to fraction form
    177,160/244,480.80 = 97,672/x
  3. Step 3: Cross multiply
    177,160x = 244,480.80 × 97,672
  4. Step 4: Simplify right side
    177,160x = 23,878,928,697.60
  5. Step 5: Solve for x
    x = 23,878,928,697.60/177,160
  6. Step 6: Final answer
    x = 134,787.36

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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.