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Finding the Fourth Proportional to 185,055.64, 277,694.53 and 79,874.51

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Solution

The fourth proportional to 185,055.64, 277,694.53 and 79,874.51 is: 119,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,055.64 : 277,694.53 = 79,874.51 : x
  2. Step 2: Convert to fraction form
    185,055.64/277,694.53 = 79,874.51/x
  3. Step 3: Cross multiply
    185,055.64x = 277,694.53 × 79,874.51
  4. Step 4: Simplify right side
    185,055.64x = 22,180,712,925.27
  5. Step 5: Solve for x
    x = 22,180,712,925.27/185,055.64
  6. Step 6: Final answer
    x = 119,859.70

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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.