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Finding the Fourth Proportional to 228,965.92, 343,547.76 and 123,858.88

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Solution

The fourth proportional to 228,965.92, 343,547.76 and 123,858.88 is: 185,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,965.92 : 343,547.76 = 123,858.88 : x
  2. Step 2: Convert to fraction form
    228,965.92/343,547.76 = 123,858.88/x
  3. Step 3: Cross multiply
    228,965.92x = 343,547.76 × 123,858.88
  4. Step 4: Simplify right side
    228,965.92x = 42,551,440,780.11
  5. Step 5: Solve for x
    x = 42,551,440,780.11/228,965.92
  6. Step 6: Final answer
    x = 185,841.81

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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.