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Finding the Fourth Proportional to 161,536.52, 222,917.16 and 101,140.52

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Solution

The fourth proportional to 161,536.52, 222,917.16 and 101,140.52 is: 139,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,536.52 : 222,917.16 = 101,140.52 : x
  2. Step 2: Convert to fraction form
    161,536.52/222,917.16 = 101,140.52/x
  3. Step 3: Cross multiply
    161,536.52x = 222,917.16 × 101,140.52
  4. Step 4: Simplify right side
    161,536.52x = 22,545,957,479.32
  5. Step 5: Solve for x
    x = 22,545,957,479.32/161,536.52
  6. Step 6: Final answer
    x = 139,571.89

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1.5x scale

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.