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Finding the Fourth Proportional to 188,779.30, 283,212.78 and 62,411.92

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Solution

The fourth proportional to 188,779.30, 283,212.78 and 62,411.92 is: 93,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,779.30 : 283,212.78 = 62,411.92 : x
  2. Step 2: Convert to fraction form
    188,779.30/283,212.78 = 62,411.92/x
  3. Step 3: Cross multiply
    188,779.30x = 283,212.78 × 62,411.92
  4. Step 4: Simplify right side
    188,779.30x = 17,675,853,368.34
  5. Step 5: Solve for x
    x = 17,675,853,368.34/188,779.30
  6. Step 6: Final answer
    x = 93,632.37

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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.