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Finding the Fourth Proportional to 238,034.95, 328,494.27 and 130,604.95

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Solution

The fourth proportional to 238,034.95, 328,494.27 and 130,604.95 is: 180,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,034.95 : 328,494.27 = 130,604.95 : x
  2. Step 2: Convert to fraction form
    238,034.95/328,494.27 = 130,604.95/x
  3. Step 3: Cross multiply
    238,034.95x = 328,494.27 × 130,604.95
  4. Step 4: Simplify right side
    238,034.95x = 42,902,977,871.89
  5. Step 5: Solve for x
    x = 42,902,977,871.89/238,034.95
  6. Step 6: Final answer
    x = 180,238.15

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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.