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Finding the Fourth Proportional to 355,099.84, 532,651.77 and 118,441.87

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Solution

The fourth proportional to 355,099.84, 532,651.77 and 118,441.87 is: 177,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,099.84 : 532,651.77 = 118,441.87 : x
  2. Step 2: Convert to fraction form
    355,099.84/532,651.77 = 118,441.87/x
  3. Step 3: Cross multiply
    355,099.84x = 532,651.77 × 118,441.87
  4. Step 4: Simplify right side
    355,099.84x = 63,088,271,697.61
  5. Step 5: Solve for x
    x = 63,088,271,697.61/355,099.84
  6. Step 6: Final answer
    x = 177,663.48

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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.