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Finding the Fourth Proportional to 101,358.48, 152,037.90 and 31,237.32

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Solution

The fourth proportional to 101,358.48, 152,037.90 and 31,237.32 is: 46,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,358.48 : 152,037.90 = 31,237.32 : x
  2. Step 2: Convert to fraction form
    101,358.48/152,037.90 = 31,237.32/x
  3. Step 3: Cross multiply
    101,358.48x = 152,037.90 × 31,237.32
  4. Step 4: Simplify right side
    101,358.48x = 4,749,256,534.43
  5. Step 5: Solve for x
    x = 4,749,256,534.43/101,358.48
  6. Step 6: Final answer
    x = 46,856.04

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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.