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Finding the Fourth Proportional to 355,368.76, 533,145.48 and 106,050.76

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Solution

The fourth proportional to 355,368.76, 533,145.48 and 106,050.76 is: 159,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,368.76 : 533,145.48 = 106,050.76 : x
  2. Step 2: Convert to fraction form
    355,368.76/533,145.48 = 106,050.76/x
  3. Step 3: Cross multiply
    355,368.76x = 533,145.48 × 106,050.76
  4. Step 4: Simplify right side
    355,368.76x = 56,540,483,344.56
  5. Step 5: Solve for x
    x = 56,540,483,344.56/355,368.76
  6. Step 6: Final answer
    x = 159,103.70

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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.