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Finding the Fourth Proportional to 64,269.60, 96,404.40 and 29,277.60

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Solution

The fourth proportional to 64,269.60, 96,404.40 and 29,277.60 is: 43,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,269.60 : 96,404.40 = 29,277.60 : x
  2. Step 2: Convert to fraction form
    64,269.60/96,404.40 = 29,277.60/x
  3. Step 3: Cross multiply
    64,269.60x = 96,404.40 × 29,277.60
  4. Step 4: Simplify right side
    64,269.60x = 2,822,489,461.44
  5. Step 5: Solve for x
    x = 2,822,489,461.44/64,269.60
  6. Step 6: Final answer
    x = 43,916.40

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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.