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Finding the Fourth Proportional to 237,458.49, 327,693.24 and 128,563.98

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Solution

The fourth proportional to 237,458.49, 327,693.24 and 128,563.98 is: 177,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,458.49 : 327,693.24 = 128,563.98 : x
  2. Step 2: Convert to fraction form
    237,458.49/327,693.24 = 128,563.98/x
  3. Step 3: Cross multiply
    237,458.49x = 327,693.24 × 128,563.98
  4. Step 4: Simplify right side
    237,458.49x = 42,129,547,153.50
  5. Step 5: Solve for x
    x = 42,129,547,153.50/237,458.49
  6. Step 6: Final answer
    x = 177,418.58

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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.