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Finding the Fourth Proportional to 180,364.32, 248,896.32 and 99,791.52

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Solution

The fourth proportional to 180,364.32, 248,896.32 and 99,791.52 is: 137,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,364.32 : 248,896.32 = 99,791.52 : x
  2. Step 2: Convert to fraction form
    180,364.32/248,896.32 = 99,791.52/x
  3. Step 3: Cross multiply
    180,364.32x = 248,896.32 × 99,791.52
  4. Step 4: Simplify right side
    180,364.32x = 24,837,742,095.21
  5. Step 5: Solve for x
    x = 24,837,742,095.21/180,364.32
  6. Step 6: Final answer
    x = 137,708.73

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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.