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Finding the Fourth Proportional to 119,804.40, 165,329.71 and 66,095.33

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Solution

The fourth proportional to 119,804.40, 165,329.71 and 66,095.33 is: 91,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,804.40 : 165,329.71 = 66,095.33 : x
  2. Step 2: Convert to fraction form
    119,804.40/165,329.71 = 66,095.33/x
  3. Step 3: Cross multiply
    119,804.40x = 165,329.71 × 66,095.33
  4. Step 4: Simplify right side
    119,804.40x = 10,927,520,749.37
  5. Step 5: Solve for x
    x = 10,927,520,749.37/119,804.40
  6. Step 6: Final answer
    x = 91,211.35

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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.