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Finding the Fourth Proportional to 169,118.79, 253,714.53 and 49,177.83

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Solution

The fourth proportional to 169,118.79, 253,714.53 and 49,177.83 is: 73,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,118.79 : 253,714.53 = 49,177.83 : x
  2. Step 2: Convert to fraction form
    169,118.79/253,714.53 = 49,177.83/x
  3. Step 3: Cross multiply
    169,118.79x = 253,714.53 × 49,177.83
  4. Step 4: Simplify right side
    169,118.79x = 12,477,130,024.87
  5. Step 5: Solve for x
    x = 12,477,130,024.87/169,118.79
  6. Step 6: Final answer
    x = 73,777.31

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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.