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Finding the Fourth Proportional to 64,873.60, 97,310.40 and 29,881.60

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Solution

The fourth proportional to 64,873.60, 97,310.40 and 29,881.60 is: 44,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.60 : 97,310.40 = 29,881.60 : x
  2. Step 2: Convert to fraction form
    64,873.60/97,310.40 = 29,881.60/x
  3. Step 3: Cross multiply
    64,873.60x = 97,310.40 × 29,881.60
  4. Step 4: Simplify right side
    64,873.60x = 2,907,790,448.64
  5. Step 5: Solve for x
    x = 2,907,790,448.64/64,873.60
  6. Step 6: Final answer
    x = 44,822.40

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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.