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Finding the Fourth Proportional to 335,626.07, 503,438.47 and 99,134.82

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Solution

The fourth proportional to 335,626.07, 503,438.47 and 99,134.82 is: 148,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,626.07 : 503,438.47 = 99,134.82 : x
  2. Step 2: Convert to fraction form
    335,626.07/503,438.47 = 99,134.82/x
  3. Step 3: Cross multiply
    335,626.07x = 503,438.47 × 99,134.82
  4. Step 4: Simplify right side
    335,626.07x = 49,908,281,856.69
  5. Step 5: Solve for x
    x = 49,908,281,856.69/335,626.07
  6. Step 6: Final answer
    x = 148,702.04

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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.