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Finding the Fourth Proportional to 119,412.34, 179,065.91 and 63,239.32

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Solution

The fourth proportional to 119,412.34, 179,065.91 and 63,239.32 is: 94,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,412.34 : 179,065.91 = 63,239.32 : x
  2. Step 2: Convert to fraction form
    119,412.34/179,065.91 = 63,239.32/x
  3. Step 3: Cross multiply
    119,412.34x = 179,065.91 × 63,239.32
  4. Step 4: Simplify right side
    119,412.34x = 11,324,006,383.58
  5. Step 5: Solve for x
    x = 11,324,006,383.58/119,412.34
  6. Step 6: Final answer
    x = 94,831.12

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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.