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Finding the Fourth Proportional to 169,708.68, 234,041.48 and 115,342.28

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Solution

The fourth proportional to 169,708.68, 234,041.48 and 115,342.28 is: 159,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,708.68 : 234,041.48 = 115,342.28 : x
  2. Step 2: Convert to fraction form
    169,708.68/234,041.48 = 115,342.28/x
  3. Step 3: Cross multiply
    169,708.68x = 234,041.48 × 115,342.28
  4. Step 4: Simplify right side
    169,708.68x = 26,994,877,917.77
  5. Step 5: Solve for x
    x = 26,994,877,917.77/169,708.68
  6. Step 6: Final answer
    x = 159,065.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.