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Finding the Fourth Proportional to 132,804.75, 199,246.14 and 39,312.93

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Solution

The fourth proportional to 132,804.75, 199,246.14 and 39,312.93 is: 58,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,804.75 : 199,246.14 = 39,312.93 : x
  2. Step 2: Convert to fraction form
    132,804.75/199,246.14 = 39,312.93/x
  3. Step 3: Cross multiply
    132,804.75x = 199,246.14 × 39,312.93
  4. Step 4: Simplify right side
    132,804.75x = 7,832,949,554.59
  5. Step 5: Solve for x
    x = 7,832,949,554.59/132,804.75
  6. Step 6: Final answer
    x = 58,980.94

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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.