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Finding the Fourth Proportional to 238,996.76, 358,371.64 and 70,495.64

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Solution

The fourth proportional to 238,996.76, 358,371.64 and 70,495.64 is: 105,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,996.76 : 358,371.64 = 70,495.64 : x
  2. Step 2: Convert to fraction form
    238,996.76/358,371.64 = 70,495.64/x
  3. Step 3: Cross multiply
    238,996.76x = 358,371.64 × 70,495.64
  4. Step 4: Simplify right side
    238,996.76x = 25,263,638,119.65
  5. Step 5: Solve for x
    x = 25,263,638,119.65/238,996.76
  6. Step 6: Final answer
    x = 105,707.03

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1.5x scale

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.