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Finding the Fourth Proportional to 64,346.60, 96,548.70 and 29,268.20

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Solution

The fourth proportional to 64,346.60, 96,548.70 and 29,268.20 is: 43,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,346.60 : 96,548.70 = 29,268.20 : x
  2. Step 2: Convert to fraction form
    64,346.60/96,548.70 = 29,268.20/x
  3. Step 3: Cross multiply
    64,346.60x = 96,548.70 × 29,268.20
  4. Step 4: Simplify right side
    64,346.60x = 2,825,806,661.34
  5. Step 5: Solve for x
    x = 2,825,806,661.34/64,346.60
  6. Step 6: Final answer
    x = 43,915.40

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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.