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Finding the Fourth Proportional to 219,230.70, 328,748.85 and 100,841.10

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Solution

The fourth proportional to 219,230.70, 328,748.85 and 100,841.10 is: 151,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,230.70 : 328,748.85 = 100,841.10 : x
  2. Step 2: Convert to fraction form
    219,230.70/328,748.85 = 100,841.10/x
  3. Step 3: Cross multiply
    219,230.70x = 328,748.85 × 100,841.10
  4. Step 4: Simplify right side
    219,230.70x = 33,151,395,657.74
  5. Step 5: Solve for x
    x = 33,151,395,657.74/219,230.70
  6. Step 6: Final answer
    x = 151,216.94

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1.5x scale

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.