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Finding the Fourth Proportional to 245,124.30, 367,297.65 and 161,921.10

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Solution

The fourth proportional to 245,124.30, 367,297.65 and 161,921.10 is: 242,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,124.30 : 367,297.65 = 161,921.10 : x
  2. Step 2: Convert to fraction form
    245,124.30/367,297.65 = 161,921.10/x
  3. Step 3: Cross multiply
    245,124.30x = 367,297.65 × 161,921.10
  4. Step 4: Simplify right side
    245,124.30x = 59,473,239,515.42
  5. Step 5: Solve for x
    x = 59,473,239,515.42/245,124.30
  6. Step 6: Final answer
    x = 242,624.82

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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.