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Finding the Fourth Proportional to 374,072.30, 561,187.30 and 121,333.13

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Solution

The fourth proportional to 374,072.30, 561,187.30 and 121,333.13 is: 182,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,072.30 : 561,187.30 = 121,333.13 : x
  2. Step 2: Convert to fraction form
    374,072.30/561,187.30 = 121,333.13/x
  3. Step 3: Cross multiply
    374,072.30x = 561,187.30 × 121,333.13
  4. Step 4: Simplify right side
    374,072.30x = 68,090,610,229.39
  5. Step 5: Solve for x
    x = 68,090,610,229.39/374,072.30
  6. Step 6: Final answer
    x = 182,025.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.