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Finding the Fourth Proportional to 238,083.71, 328,544.71 and 130,651.58

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Solution

The fourth proportional to 238,083.71, 328,544.71 and 130,651.58 is: 180,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,083.71 : 328,544.71 = 130,651.58 : x
  2. Step 2: Convert to fraction form
    238,083.71/328,544.71 = 130,651.58/x
  3. Step 3: Cross multiply
    238,083.71x = 328,544.71 × 130,651.58
  4. Step 4: Simplify right side
    238,083.71x = 42,924,885,956.87
  5. Step 5: Solve for x
    x = 42,924,885,956.87/238,083.71
  6. Step 6: Final answer
    x = 180,293.25

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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.