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Finding the Fourth Proportional to 174,089.54, 238,678.98 and 170,940.26

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Solution

The fourth proportional to 174,089.54, 238,678.98 and 170,940.26 is: 234,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,089.54 : 238,678.98 = 170,940.26 : x
  2. Step 2: Convert to fraction form
    174,089.54/238,678.98 = 170,940.26/x
  3. Step 3: Cross multiply
    174,089.54x = 238,678.98 × 170,940.26
  4. Step 4: Simplify right side
    174,089.54x = 40,799,845,704.34
  5. Step 5: Solve for x
    x = 40,799,845,704.34/174,089.54
  6. Step 6: Final answer
    x = 234,361.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.