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Finding the Fourth Proportional to 172,724.90, 259,051.63 and 46,335.18

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Solution

The fourth proportional to 172,724.90, 259,051.63 and 46,335.18 is: 69,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,724.90 : 259,051.63 = 46,335.18 : x
  2. Step 2: Convert to fraction form
    172,724.90/259,051.63 = 46,335.18/x
  3. Step 3: Cross multiply
    172,724.90x = 259,051.63 × 46,335.18
  4. Step 4: Simplify right side
    172,724.90x = 12,003,204,730.84
  5. Step 5: Solve for x
    x = 12,003,204,730.84/172,724.90
  6. Step 6: Final answer
    x = 69,493.19

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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.