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Finding the Fourth Proportional to 239,352.17, 358,917.89 and 70,812.23

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Solution

The fourth proportional to 239,352.17, 358,917.89 and 70,812.23 is: 106,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,352.17 : 358,917.89 = 70,812.23 : x
  2. Step 2: Convert to fraction form
    239,352.17/358,917.89 = 70,812.23/x
  3. Step 3: Cross multiply
    239,352.17x = 358,917.89 × 70,812.23
  4. Step 4: Simplify right side
    239,352.17x = 25,415,774,029.14
  5. Step 5: Solve for x
    x = 25,415,774,029.14/239,352.17
  6. Step 6: Final answer
    x = 106,185.69

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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.