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Finding the Fourth Proportional to 169,333.48, 253,948.36 and 117,078.76

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Solution

The fourth proportional to 169,333.48, 253,948.36 and 117,078.76 is: 175,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,333.48 : 253,948.36 = 117,078.76 : x
  2. Step 2: Convert to fraction form
    169,333.48/253,948.36 = 117,078.76/x
  3. Step 3: Cross multiply
    169,333.48x = 253,948.36 × 117,078.76
  4. Step 4: Simplify right side
    169,333.48x = 29,731,959,092.83
  5. Step 5: Solve for x
    x = 29,731,959,092.83/169,333.48
  6. Step 6: Final answer
    x = 175,582.28

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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.