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Finding the Fourth Proportional to 184,686.84, 277,012.98 and 79,486.20

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Solution

The fourth proportional to 184,686.84, 277,012.98 and 79,486.20 is: 119,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,686.84 : 277,012.98 = 79,486.20 : x
  2. Step 2: Convert to fraction form
    184,686.84/277,012.98 = 79,486.20/x
  3. Step 3: Cross multiply
    184,686.84x = 277,012.98 × 79,486.20
  4. Step 4: Simplify right side
    184,686.84x = 22,018,709,130.88
  5. Step 5: Solve for x
    x = 22,018,709,130.88/184,686.84
  6. Step 6: Final answer
    x = 119,221.86

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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.