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Finding the Fourth Proportional to 194,450.25, 268,341.53 and 105,026.25

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Solution

The fourth proportional to 194,450.25, 268,341.53 and 105,026.25 is: 144,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,450.25 : 268,341.53 = 105,026.25 : x
  2. Step 2: Convert to fraction form
    194,450.25/268,341.53 = 105,026.25/x
  3. Step 3: Cross multiply
    194,450.25x = 268,341.53 × 105,026.25
  4. Step 4: Simplify right side
    194,450.25x = 28,182,904,090.03
  5. Step 5: Solve for x
    x = 28,182,904,090.03/194,450.25
  6. Step 6: Final answer
    x = 144,936.32

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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.