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Finding the Fourth Proportional to 155,313.53, 232,973.20 and 48,695.12

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Solution

The fourth proportional to 155,313.53, 232,973.20 and 48,695.12 is: 73,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,313.53 : 232,973.20 = 48,695.12 : x
  2. Step 2: Convert to fraction form
    155,313.53/232,973.20 = 48,695.12/x
  3. Step 3: Cross multiply
    155,313.53x = 232,973.20 × 48,695.12
  4. Step 4: Simplify right side
    155,313.53x = 11,344,656,765.92
  5. Step 5: Solve for x
    x = 11,344,656,765.92/155,313.53
  6. Step 6: Final answer
    x = 73,043.59

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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.