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Finding the Fourth Proportional to 117,208.29, 175,811.13 and 28,461.72

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Solution

The fourth proportional to 117,208.29, 175,811.13 and 28,461.72 is: 42,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,208.29 : 175,811.13 = 28,461.72 : x
  2. Step 2: Convert to fraction form
    117,208.29/175,811.13 = 28,461.72/x
  3. Step 3: Cross multiply
    117,208.29x = 175,811.13 × 28,461.72
  4. Step 4: Simplify right side
    117,208.29x = 5,003,887,154.94
  5. Step 5: Solve for x
    x = 5,003,887,154.94/117,208.29
  6. Step 6: Final answer
    x = 42,692.26

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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.