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Finding the Fourth Proportional to 237,817.71, 328,191.66 and 130,387.51

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Solution

The fourth proportional to 237,817.71, 328,191.66 and 130,387.51 is: 179,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,817.71 : 328,191.66 = 130,387.51 : x
  2. Step 2: Convert to fraction form
    237,817.71/328,191.66 = 130,387.51/x
  3. Step 3: Cross multiply
    237,817.71x = 328,191.66 × 130,387.51
  4. Step 4: Simplify right side
    237,817.71x = 42,792,093,350.17
  5. Step 5: Solve for x
    x = 42,792,093,350.17/237,817.71
  6. Step 6: Final answer
    x = 179,936.53

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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.