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Finding the Fourth Proportional to 119,455.66, 179,209.42 and 36,347.50

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Solution

The fourth proportional to 119,455.66, 179,209.42 and 36,347.50 is: 54,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,455.66 : 179,209.42 = 36,347.50 : x
  2. Step 2: Convert to fraction form
    119,455.66/179,209.42 = 36,347.50/x
  3. Step 3: Cross multiply
    119,455.66x = 179,209.42 × 36,347.50
  4. Step 4: Simplify right side
    119,455.66x = 6,513,814,393.45
  5. Step 5: Solve for x
    x = 6,513,814,393.45/119,455.66
  6. Step 6: Final answer
    x = 54,529.14

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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.