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Finding the Fourth Proportional to 216,267.86, 324,401.64 and 157,477.52

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Solution

The fourth proportional to 216,267.86, 324,401.64 and 157,477.52 is: 236,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,267.86 : 324,401.64 = 157,477.52 : x
  2. Step 2: Convert to fraction form
    216,267.86/324,401.64 = 157,477.52/x
  3. Step 3: Cross multiply
    216,267.86x = 324,401.64 × 157,477.52
  4. Step 4: Simplify right side
    216,267.86x = 51,085,965,751.13
  5. Step 5: Solve for x
    x = 51,085,965,751.13/216,267.86
  6. Step 6: Final answer
    x = 236,216.17

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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.