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Finding the Fourth Proportional to 219,184.40, 328,880.60 and 151,820.02

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Solution

The fourth proportional to 219,184.40, 328,880.60 and 151,820.02 is: 227,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,184.40 : 328,880.60 = 151,820.02 : x
  2. Step 2: Convert to fraction form
    219,184.40/328,880.60 = 151,820.02/x
  3. Step 3: Cross multiply
    219,184.40x = 328,880.60 × 151,820.02
  4. Step 4: Simplify right side
    219,184.40x = 49,930,659,269.61
  5. Step 5: Solve for x
    x = 49,930,659,269.61/219,184.40
  6. Step 6: Final answer
    x = 227,802.07

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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.