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Finding the Fourth Proportional to 229,077.60, 343,616.40 and 62,865.60

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Solution

The fourth proportional to 229,077.60, 343,616.40 and 62,865.60 is: 94,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,077.60 : 343,616.40 = 62,865.60 : x
  2. Step 2: Convert to fraction form
    229,077.60/343,616.40 = 62,865.60/x
  3. Step 3: Cross multiply
    229,077.60x = 343,616.40 × 62,865.60
  4. Step 4: Simplify right side
    229,077.60x = 21,601,651,155.84
  5. Step 5: Solve for x
    x = 21,601,651,155.84/229,077.60
  6. Step 6: Final answer
    x = 94,298.40

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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.