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Finding the Fourth Proportional to 239,386.68, 358,969.62 and 70,846.74

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Solution

The fourth proportional to 239,386.68, 358,969.62 and 70,846.74 is: 106,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,386.68 : 358,969.62 = 70,846.74 : x
  2. Step 2: Convert to fraction form
    239,386.68/358,969.62 = 70,846.74/x
  3. Step 3: Cross multiply
    239,386.68x = 358,969.62 × 70,846.74
  4. Step 4: Simplify right side
    239,386.68x = 25,431,827,336.04
  5. Step 5: Solve for x
    x = 25,431,827,336.04/239,386.68
  6. Step 6: Final answer
    x = 106,237.44

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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.