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Finding the Fourth Proportional to 471,037.50, 706,539.70 and 134,079.92

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Solution

The fourth proportional to 471,037.50, 706,539.70 and 134,079.92 is: 201,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,037.50 : 706,539.70 = 134,079.92 : x
  2. Step 2: Convert to fraction form
    471,037.50/706,539.70 = 134,079.92/x
  3. Step 3: Cross multiply
    471,037.50x = 706,539.70 × 134,079.92
  4. Step 4: Simplify right side
    471,037.50x = 94,732,786,452.82
  5. Step 5: Solve for x
    x = 94,732,786,452.82/471,037.50
  6. Step 6: Final answer
    x = 201,115.17

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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.