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Finding the Fourth Proportional to 119,779.94, 165,295.98 and 68,795.97

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Solution

The fourth proportional to 119,779.94, 165,295.98 and 68,795.97 is: 94,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,779.94 : 165,295.98 = 68,795.97 : x
  2. Step 2: Convert to fraction form
    119,779.94/165,295.98 = 68,795.97/x
  3. Step 3: Cross multiply
    119,779.94x = 165,295.98 × 68,795.97
  4. Step 4: Simplify right side
    119,779.94x = 11,371,697,281.20
  5. Step 5: Solve for x
    x = 11,371,697,281.20/119,779.94
  6. Step 6: Final answer
    x = 94,938.25

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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.