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Finding the Fourth Proportional to 237,884.63, 328,250.61 and 130,426.38

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Solution

The fourth proportional to 237,884.63, 328,250.61 and 130,426.38 is: 179,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,884.63 : 328,250.61 = 130,426.38 : x
  2. Step 2: Convert to fraction form
    237,884.63/328,250.61 = 130,426.38/x
  3. Step 3: Cross multiply
    237,884.63x = 328,250.61 × 130,426.38
  4. Step 4: Simplify right side
    237,884.63x = 42,812,538,795.09
  5. Step 5: Solve for x
    x = 42,812,538,795.09/237,884.63
  6. Step 6: Final answer
    x = 179,971.86

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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.