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Finding the Fourth Proportional to 172,374.94, 258,498.40 and 60,026.32

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Solution

The fourth proportional to 172,374.94, 258,498.40 and 60,026.32 is: 90,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,374.94 : 258,498.40 = 60,026.32 : x
  2. Step 2: Convert to fraction form
    172,374.94/258,498.40 = 60,026.32/x
  3. Step 3: Cross multiply
    172,374.94x = 258,498.40 × 60,026.32
  4. Step 4: Simplify right side
    172,374.94x = 15,516,707,677.89
  5. Step 5: Solve for x
    x = 15,516,707,677.89/172,374.94
  6. Step 6: Final answer
    x = 90,017.19

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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.