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Finding the Fourth Proportional to 114,556.70, 171,835.05 and 112,807.10

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Solution

The fourth proportional to 114,556.70, 171,835.05 and 112,807.10 is: 169,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,556.70 : 171,835.05 = 112,807.10 : x
  2. Step 2: Convert to fraction form
    114,556.70/171,835.05 = 112,807.10/x
  3. Step 3: Cross multiply
    114,556.70x = 171,835.05 × 112,807.10
  4. Step 4: Simplify right side
    114,556.70x = 19,384,213,668.86
  5. Step 5: Solve for x
    x = 19,384,213,668.86/114,556.70
  6. Step 6: Final answer
    x = 169,210.65

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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.