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Finding the Fourth Proportional to 185,407.92, 255,860.82 and 104,836.32

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Solution

The fourth proportional to 185,407.92, 255,860.82 and 104,836.32 is: 144,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,407.92 : 255,860.82 = 104,836.32 : x
  2. Step 2: Convert to fraction form
    185,407.92/255,860.82 = 104,836.32/x
  3. Step 3: Cross multiply
    185,407.92x = 255,860.82 × 104,836.32
  4. Step 4: Simplify right side
    185,407.92x = 26,823,506,800.98
  5. Step 5: Solve for x
    x = 26,823,506,800.98/185,407.92
  6. Step 6: Final answer
    x = 144,672.93

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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.