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Finding the Fourth Proportional to 238,966.67, 358,450.82 and 70,489.10

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Solution

The fourth proportional to 238,966.67, 358,450.82 and 70,489.10 is: 105,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,966.67 : 358,450.82 = 70,489.10 : x
  2. Step 2: Convert to fraction form
    238,966.67/358,450.82 = 70,489.10/x
  3. Step 3: Cross multiply
    238,966.67x = 358,450.82 × 70,489.10
  4. Step 4: Simplify right side
    238,966.67x = 25,266,875,696.06
  5. Step 5: Solve for x
    x = 25,266,875,696.06/238,966.67
  6. Step 6: Final answer
    x = 105,733.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.