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Finding the Fourth Proportional to 237,806.43, 328,164.16 and 130,374.11

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Solution

The fourth proportional to 237,806.43, 328,164.16 and 130,374.11 is: 179,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,806.43 : 328,164.16 = 130,374.11 : x
  2. Step 2: Convert to fraction form
    237,806.43/328,164.16 = 130,374.11/x
  3. Step 3: Cross multiply
    237,806.43x = 328,164.16 × 130,374.11
  4. Step 4: Simplify right side
    237,806.43x = 42,784,110,293.90
  5. Step 5: Solve for x
    x = 42,784,110,293.90/237,806.43
  6. Step 6: Final answer
    x = 179,911.49

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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.