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Finding the Fourth Proportional to 169,407.60, 233,825.03 and 115,051.76

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Solution

The fourth proportional to 169,407.60, 233,825.03 and 115,051.76 is: 158,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,407.60 : 233,825.03 = 115,051.76 : x
  2. Step 2: Convert to fraction form
    169,407.60/233,825.03 = 115,051.76/x
  3. Step 3: Cross multiply
    169,407.60x = 233,825.03 × 115,051.76
  4. Step 4: Simplify right side
    169,407.60x = 26,901,979,489.17
  5. Step 5: Solve for x
    x = 26,901,979,489.17/169,407.60
  6. Step 6: Final answer
    x = 158,800.31

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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.