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Finding the Fourth Proportional to 239,079.96, 358,667.25 and 68,303.16

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Solution

The fourth proportional to 239,079.96, 358,667.25 and 68,303.16 is: 102,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,079.96 : 358,667.25 = 68,303.16 : x
  2. Step 2: Convert to fraction form
    239,079.96/358,667.25 = 68,303.16/x
  3. Step 3: Cross multiply
    239,079.96x = 358,667.25 × 68,303.16
  4. Step 4: Simplify right side
    239,079.96x = 24,498,106,563.51
  5. Step 5: Solve for x
    x = 24,498,106,563.51/239,079.96
  6. Step 6: Final answer
    x = 102,468.26

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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.