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Finding the Fourth Proportional to 117,648.63, 176,470.16 and 28,902.02

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Solution

The fourth proportional to 117,648.63, 176,470.16 and 28,902.02 is: 43,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,648.63 : 176,470.16 = 28,902.02 : x
  2. Step 2: Convert to fraction form
    117,648.63/176,470.16 = 28,902.02/x
  3. Step 3: Cross multiply
    117,648.63x = 176,470.16 × 28,902.02
  4. Step 4: Simplify right side
    117,648.63x = 5,100,343,066.86
  5. Step 5: Solve for x
    x = 5,100,343,066.86/117,648.63
  6. Step 6: Final answer
    x = 43,352.34

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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.