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Finding the Fourth Proportional to 114,162.50, 157,583.11 and 66,455.94

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Solution

The fourth proportional to 114,162.50, 157,583.11 and 66,455.94 is: 91,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,162.50 : 157,583.11 = 66,455.94 : x
  2. Step 2: Convert to fraction form
    114,162.50/157,583.11 = 66,455.94/x
  3. Step 3: Cross multiply
    114,162.50x = 157,583.11 × 66,455.94
  4. Step 4: Simplify right side
    114,162.50x = 10,472,333,703.17
  5. Step 5: Solve for x
    x = 10,472,333,703.17/114,162.50
  6. Step 6: Final answer
    x = 91,731.82

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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.