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Finding the Fourth Proportional to 119,451.84, 164,488.02 and 116,799.90

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Solution

The fourth proportional to 119,451.84, 164,488.02 and 116,799.90 is: 160,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,451.84 : 164,488.02 = 116,799.90 : x
  2. Step 2: Convert to fraction form
    119,451.84/164,488.02 = 116,799.90/x
  3. Step 3: Cross multiply
    119,451.84x = 164,488.02 × 116,799.90
  4. Step 4: Simplify right side
    119,451.84x = 19,212,184,287.20
  5. Step 5: Solve for x
    x = 19,212,184,287.20/119,451.84
  6. Step 6: Final answer
    x = 160,836.24

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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.