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Finding the Fourth Proportional to 341,747.60, 512,621.40 and 89,027.60

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Solution

The fourth proportional to 341,747.60, 512,621.40 and 89,027.60 is: 133,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,747.60 : 512,621.40 = 89,027.60 : x
  2. Step 2: Convert to fraction form
    341,747.60/512,621.40 = 89,027.60/x
  3. Step 3: Cross multiply
    341,747.60x = 512,621.40 × 89,027.60
  4. Step 4: Simplify right side
    341,747.60x = 45,637,452,950.64
  5. Step 5: Solve for x
    x = 45,637,452,950.64/341,747.60
  6. Step 6: Final answer
    x = 133,541.40

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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.