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Finding the Fourth Proportional to 169,407.93, 233,790.28 and 101,411.75

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Solution

The fourth proportional to 169,407.93, 233,790.28 and 101,411.75 is: 139,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,407.93 : 233,790.28 = 101,411.75 : x
  2. Step 2: Convert to fraction form
    169,407.93/233,790.28 = 101,411.75/x
  3. Step 3: Cross multiply
    169,407.93x = 233,790.28 × 101,411.75
  4. Step 4: Simplify right side
    169,407.93x = 23,709,081,427.79
  5. Step 5: Solve for x
    x = 23,709,081,427.79/169,407.93
  6. Step 6: Final answer
    x = 139,952.61

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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.