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Finding the Fourth Proportional to 119,168.86, 164,412.98 and 67,478.91

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Solution

The fourth proportional to 119,168.86, 164,412.98 and 67,478.91 is: 93,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,168.86 : 164,412.98 = 67,478.91 : x
  2. Step 2: Convert to fraction form
    119,168.86/164,412.98 = 67,478.91/x
  3. Step 3: Cross multiply
    119,168.86x = 164,412.98 × 67,478.91
  4. Step 4: Simplify right side
    119,168.86x = 11,094,408,680.25
  5. Step 5: Solve for x
    x = 11,094,408,680.25/119,168.86
  6. Step 6: Final answer
    x = 93,098.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.