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Finding the Fourth Proportional to 119,814.83, 165,314.96 and 73,235.95

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Solution

The fourth proportional to 119,814.83, 165,314.96 and 73,235.95 is: 101,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,814.83 : 165,314.96 = 73,235.95 : x
  2. Step 2: Convert to fraction form
    119,814.83/165,314.96 = 73,235.95/x
  3. Step 3: Cross multiply
    119,814.83x = 165,314.96 × 73,235.95
  4. Step 4: Simplify right side
    119,814.83x = 12,106,997,639.98
  5. Step 5: Solve for x
    x = 12,106,997,639.98/119,814.83
  6. Step 6: Final answer
    x = 101,047.57

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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.