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Finding the Fourth Proportional to 264,059.60, 395,551.80 and 163,912.40

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Solution

The fourth proportional to 264,059.60, 395,551.80 and 163,912.40 is: 245,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,059.60 : 395,551.80 = 163,912.40 : x
  2. Step 2: Convert to fraction form
    264,059.60/395,551.80 = 163,912.40/x
  3. Step 3: Cross multiply
    264,059.60x = 395,551.80 × 163,912.40
  4. Step 4: Simplify right side
    264,059.60x = 64,835,844,862.32
  5. Step 5: Solve for x
    x = 64,835,844,862.32/264,059.60
  6. Step 6: Final answer
    x = 245,534.89

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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.