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Finding the Fourth Proportional to 243,470.40, 364,957.20 and 164,592.60

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Solution

The fourth proportional to 243,470.40, 364,957.20 and 164,592.60 is: 246,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,470.40 : 364,957.20 = 164,592.60 : x
  2. Step 2: Convert to fraction form
    243,470.40/364,957.20 = 164,592.60/x
  3. Step 3: Cross multiply
    243,470.40x = 364,957.20 × 164,592.60
  4. Step 4: Simplify right side
    243,470.40x = 60,069,254,436.72
  5. Step 5: Solve for x
    x = 60,069,254,436.72/243,470.40
  6. Step 6: Final answer
    x = 246,720.97

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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.