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Finding the Fourth Proportional to 172,632.60, 258,927.84 and 46,282.32

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Solution

The fourth proportional to 172,632.60, 258,927.84 and 46,282.32 is: 69,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,632.60 : 258,927.84 = 46,282.32 : x
  2. Step 2: Convert to fraction form
    172,632.60/258,927.84 = 46,282.32/x
  3. Step 3: Cross multiply
    172,632.60x = 258,927.84 × 46,282.32
  4. Step 4: Simplify right side
    172,632.60x = 11,983,781,147.79
  5. Step 5: Solve for x
    x = 11,983,781,147.79/172,632.60
  6. Step 6: Final answer
    x = 69,417.83

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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.