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Finding the Fourth Proportional to 117,477.66, 162,119.28 and 63,762.66

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Solution

The fourth proportional to 117,477.66, 162,119.28 and 63,762.66 is: 87,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,477.66 : 162,119.28 = 63,762.66 : x
  2. Step 2: Convert to fraction form
    117,477.66/162,119.28 = 63,762.66/x
  3. Step 3: Cross multiply
    117,477.66x = 162,119.28 × 63,762.66
  4. Step 4: Simplify right side
    117,477.66x = 10,337,156,530.08
  5. Step 5: Solve for x
    x = 10,337,156,530.08/117,477.66
  6. Step 6: Final answer
    x = 87,992.53

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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.