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Finding the Fourth Proportional to 335,320.02, 503,012.84 and 122,145.84

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Solution

The fourth proportional to 335,320.02, 503,012.84 and 122,145.84 is: 183,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,320.02 : 503,012.84 = 122,145.84 : x
  2. Step 2: Convert to fraction form
    335,320.02/503,012.84 = 122,145.84/x
  3. Step 3: Cross multiply
    335,320.02x = 503,012.84 × 122,145.84
  4. Step 4: Simplify right side
    335,320.02x = 61,440,925,261.86
  5. Step 5: Solve for x
    x = 61,440,925,261.86/335,320.02
  6. Step 6: Final answer
    x = 183,230.71

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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.