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Finding the Fourth Proportional to 96,940.42, 145,410.86 and 29,473.05

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Solution

The fourth proportional to 96,940.42, 145,410.86 and 29,473.05 is: 44,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,940.42 : 145,410.86 = 29,473.05 : x
  2. Step 2: Convert to fraction form
    96,940.42/145,410.86 = 29,473.05/x
  3. Step 3: Cross multiply
    96,940.42x = 145,410.86 × 29,473.05
  4. Step 4: Simplify right side
    96,940.42x = 4,285,701,547.32
  5. Step 5: Solve for x
    x = 4,285,701,547.32/96,940.42
  6. Step 6: Final answer
    x = 44,209.64

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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.