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Finding the Fourth Proportional to 161,574.69, 242,472.75 and 56,393.67

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Solution

The fourth proportional to 161,574.69, 242,472.75 and 56,393.67 is: 84,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,574.69 : 242,472.75 = 56,393.67 : x
  2. Step 2: Convert to fraction form
    161,574.69/242,472.75 = 56,393.67/x
  3. Step 3: Cross multiply
    161,574.69x = 242,472.75 × 56,393.67
  4. Step 4: Simplify right side
    161,574.69x = 13,673,928,247.49
  5. Step 5: Solve for x
    x = 13,673,928,247.49/161,574.69
  6. Step 6: Final answer
    x = 84,629.15

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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.