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Finding the Fourth Proportional to 170,083.32, 234,684.72 and 98,459.88

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Solution

The fourth proportional to 170,083.32, 234,684.72 and 98,459.88 is: 135,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,083.32 : 234,684.72 = 98,459.88 : x
  2. Step 2: Convert to fraction form
    170,083.32/234,684.72 = 98,459.88/x
  3. Step 3: Cross multiply
    170,083.32x = 234,684.72 × 98,459.88
  4. Step 4: Simplify right side
    170,083.32x = 23,107,029,369.03
  5. Step 5: Solve for x
    x = 23,107,029,369.03/170,083.32
  6. Step 6: Final answer
    x = 135,857.12

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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.