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Finding the Fourth Proportional to 185,910.66, 278,810.10 and 52,801.74

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Solution

The fourth proportional to 185,910.66, 278,810.10 and 52,801.74 is: 79,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,910.66 : 278,810.10 = 52,801.74 : x
  2. Step 2: Convert to fraction form
    185,910.66/278,810.10 = 52,801.74/x
  3. Step 3: Cross multiply
    185,910.66x = 278,810.10 × 52,801.74
  4. Step 4: Simplify right side
    185,910.66x = 14,721,658,409.57
  5. Step 5: Solve for x
    x = 14,721,658,409.57/185,910.66
  6. Step 6: Final answer
    x = 79,186.74

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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.