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Finding the Fourth Proportional to 343,203.60, 514,902.60 and 106,570.20

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Solution

The fourth proportional to 343,203.60, 514,902.60 and 106,570.20 is: 159,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,203.60 : 514,902.60 = 106,570.20 : x
  2. Step 2: Convert to fraction form
    343,203.60/514,902.60 = 106,570.20/x
  3. Step 3: Cross multiply
    343,203.60x = 514,902.60 × 106,570.20
  4. Step 4: Simplify right side
    343,203.60x = 54,873,273,062.52
  5. Step 5: Solve for x
    x = 54,873,273,062.52/343,203.60
  6. Step 6: Final answer
    x = 159,885.48

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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.