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Finding the Fourth Proportional to 356,715.10, 535,152.84 and 120,050.92

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Solution

The fourth proportional to 356,715.10, 535,152.84 and 120,050.92 is: 180,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,715.10 : 535,152.84 = 120,050.92 : x
  2. Step 2: Convert to fraction form
    356,715.10/535,152.84 = 120,050.92/x
  3. Step 3: Cross multiply
    356,715.10x = 535,152.84 × 120,050.92
  4. Step 4: Simplify right side
    356,715.10x = 64,245,590,782.61
  5. Step 5: Solve for x
    x = 64,245,590,782.61/356,715.10
  6. Step 6: Final answer
    x = 180,103.37

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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.