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Finding the Fourth Proportional to 119,425.84, 164,808.90 and 68,437.46

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Solution

The fourth proportional to 119,425.84, 164,808.90 and 68,437.46 is: 94,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,425.84 : 164,808.90 = 68,437.46 : x
  2. Step 2: Convert to fraction form
    119,425.84/164,808.90 = 68,437.46/x
  3. Step 3: Cross multiply
    119,425.84x = 164,808.90 × 68,437.46
  4. Step 4: Simplify right side
    119,425.84x = 11,279,102,178.85
  5. Step 5: Solve for x
    x = 11,279,102,178.85/119,425.84
  6. Step 6: Final answer
    x = 94,444.40

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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.