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Finding the Fourth Proportional to 117,444.60, 176,166.06 and 28,697.29

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Solution

The fourth proportional to 117,444.60, 176,166.06 and 28,697.29 is: 43,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,444.60 : 176,166.06 = 28,697.29 : x
  2. Step 2: Convert to fraction form
    117,444.60/176,166.06 = 28,697.29/x
  3. Step 3: Cross multiply
    117,444.60x = 176,166.06 × 28,697.29
  4. Step 4: Simplify right side
    117,444.60x = 5,055,487,963.95
  5. Step 5: Solve for x
    x = 5,055,487,963.95/117,444.60
  6. Step 6: Final answer
    x = 43,045.73

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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.