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Finding the Fourth Proportional to 252,125.04, 378,187.56 and 146,943.60

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Solution

The fourth proportional to 252,125.04, 378,187.56 and 146,943.60 is: 220,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,125.04 : 378,187.56 = 146,943.60 : x
  2. Step 2: Convert to fraction form
    252,125.04/378,187.56 = 146,943.60/x
  3. Step 3: Cross multiply
    252,125.04x = 378,187.56 × 146,943.60
  4. Step 4: Simplify right side
    252,125.04x = 55,572,241,541.62
  5. Step 5: Solve for x
    x = 55,572,241,541.62/252,125.04
  6. Step 6: Final answer
    x = 220,415.40

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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.