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Finding the Fourth Proportional to 238,506, 329,146.92 and 136,549.68

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Solution

The fourth proportional to 238,506, 329,146.92 and 136,549.68 is: 188,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,506 : 329,146.92 = 136,549.68 : x
  2. Step 2: Convert to fraction form
    238,506/329,146.92 = 136,549.68/x
  3. Step 3: Cross multiply
    238,506x = 329,146.92 × 136,549.68
  4. Step 4: Simplify right side
    238,506x = 44,944,906,598.99
  5. Step 5: Solve for x
    x = 44,944,906,598.99/238,506
  6. Step 6: Final answer
    x = 188,443.50

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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.