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Finding the Fourth Proportional to 179,866.49, 248,217.76 and 99,294.05

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Solution

The fourth proportional to 179,866.49, 248,217.76 and 99,294.05 is: 137,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,866.49 : 248,217.76 = 99,294.05 : x
  2. Step 2: Convert to fraction form
    179,866.49/248,217.76 = 99,294.05/x
  3. Step 3: Cross multiply
    179,866.49x = 248,217.76 × 99,294.05
  4. Step 4: Simplify right side
    179,866.49x = 24,646,547,416.99
  5. Step 5: Solve for x
    x = 24,646,547,416.99/179,866.49
  6. Step 6: Final answer
    x = 137,026.90

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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.