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Finding the Fourth Proportional to 203,330.94, 280,596.67 and 112,700.52

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Solution

The fourth proportional to 203,330.94, 280,596.67 and 112,700.52 is: 155,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,330.94 : 280,596.67 = 112,700.52 : x
  2. Step 2: Convert to fraction form
    203,330.94/280,596.67 = 112,700.52/x
  3. Step 3: Cross multiply
    203,330.94x = 280,596.67 × 112,700.52
  4. Step 4: Simplify right side
    203,330.94x = 31,623,390,619.27
  5. Step 5: Solve for x
    x = 31,623,390,619.27/203,330.94
  6. Step 6: Final answer
    x = 155,526.70

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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.