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Finding the Fourth Proportional to 203,350.04, 280,629.18 and 112,697.54

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Solution

The fourth proportional to 203,350.04, 280,629.18 and 112,697.54 is: 155,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,350.04 : 280,629.18 = 112,697.54 : x
  2. Step 2: Convert to fraction form
    203,350.04/280,629.18 = 112,697.54/x
  3. Step 3: Cross multiply
    203,350.04x = 280,629.18 × 112,697.54
  4. Step 4: Simplify right side
    203,350.04x = 31,626,216,835.07
  5. Step 5: Solve for x
    x = 31,626,216,835.07/203,350.04
  6. Step 6: Final answer
    x = 155,526.00

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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.