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Finding the Fourth Proportional to 238,792.66, 358,065.66 and 70,291.09

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Solution

The fourth proportional to 238,792.66, 358,065.66 and 70,291.09 is: 105,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,792.66 : 358,065.66 = 70,291.09 : x
  2. Step 2: Convert to fraction form
    238,792.66/358,065.66 = 70,291.09/x
  3. Step 3: Cross multiply
    238,792.66x = 358,065.66 × 70,291.09
  4. Step 4: Simplify right side
    238,792.66x = 25,168,826,244.14
  5. Step 5: Solve for x
    x = 25,168,826,244.14/238,792.66
  6. Step 6: Final answer
    x = 105,400.34

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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.