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Finding the Fourth Proportional to 475,037.08, 712,489.74 and 120,029.24

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Solution

The fourth proportional to 475,037.08, 712,489.74 and 120,029.24 is: 180,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,037.08 : 712,489.74 = 120,029.24 : x
  2. Step 2: Convert to fraction form
    475,037.08/712,489.74 = 120,029.24/x
  3. Step 3: Cross multiply
    475,037.08x = 712,489.74 × 120,029.24
  4. Step 4: Simplify right side
    475,037.08x = 85,519,602,000.00
  5. Step 5: Solve for x
    x = 85,519,602,000.00/475,037.08
  6. Step 6: Final answer
    x = 180,027.21

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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.