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Finding the Fourth Proportional to 127,894.58, 191,783.55 and 61,366.04

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Solution

The fourth proportional to 127,894.58, 191,783.55 and 61,366.04 is: 92,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,894.58 : 191,783.55 = 61,366.04 : x
  2. Step 2: Convert to fraction form
    127,894.58/191,783.55 = 61,366.04/x
  3. Step 3: Cross multiply
    127,894.58x = 191,783.55 × 61,366.04
  4. Step 4: Simplify right side
    127,894.58x = 11,768,996,645.85
  5. Step 5: Solve for x
    x = 11,768,996,645.85/127,894.58
  6. Step 6: Final answer
    x = 92,021.08

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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.