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Finding the Fourth Proportional to 123,695.63, 170,594.48 and 95,084.61

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Solution

The fourth proportional to 123,695.63, 170,594.48 and 95,084.61 is: 131,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,695.63 : 170,594.48 = 95,084.61 : x
  2. Step 2: Convert to fraction form
    123,695.63/170,594.48 = 95,084.61/x
  3. Step 3: Cross multiply
    123,695.63x = 170,594.48 × 95,084.61
  4. Step 4: Simplify right side
    123,695.63x = 16,220,909,598.95
  5. Step 5: Solve for x
    x = 16,220,909,598.95/123,695.63
  6. Step 6: Final answer
    x = 131,135.67

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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.