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Finding the Fourth Proportional to 184,685.84, 277,011.48 and 79,485.20

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Solution

The fourth proportional to 184,685.84, 277,011.48 and 79,485.20 is: 119,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,685.84 : 277,011.48 = 79,485.20 : x
  2. Step 2: Convert to fraction form
    184,685.84/277,011.48 = 79,485.20/x
  3. Step 3: Cross multiply
    184,685.84x = 277,011.48 × 79,485.20
  4. Step 4: Simplify right side
    184,685.84x = 22,018,312,890.10
  5. Step 5: Solve for x
    x = 22,018,312,890.10/184,685.84
  6. Step 6: Final answer
    x = 119,220.36

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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.