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Finding the Fourth Proportional to 247,722.84, 341,855.64 and 134,546.40

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Solution

The fourth proportional to 247,722.84, 341,855.64 and 134,546.40 is: 185,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,722.84 : 341,855.64 = 134,546.40 : x
  2. Step 2: Convert to fraction form
    247,722.84/341,855.64 = 134,546.40/x
  3. Step 3: Cross multiply
    247,722.84x = 341,855.64 × 134,546.40
  4. Step 4: Simplify right side
    247,722.84x = 45,995,445,681.70
  5. Step 5: Solve for x
    x = 45,995,445,681.70/247,722.84
  6. Step 6: Final answer
    x = 185,673.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.