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Finding the Fourth Proportional to 239,055.65, 358,622.39 and 70,593

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Solution

The fourth proportional to 239,055.65, 358,622.39 and 70,593 is: 105,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,055.65 : 358,622.39 = 70,593 : x
  2. Step 2: Convert to fraction form
    239,055.65/358,622.39 = 70,593/x
  3. Step 3: Cross multiply
    239,055.65x = 358,622.39 × 70,593
  4. Step 4: Simplify right side
    239,055.65x = 25,316,230,377.27
  5. Step 5: Solve for x
    x = 25,316,230,377.27/239,055.65
  6. Step 6: Final answer
    x = 105,900.99

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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.