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Finding the Fourth Proportional to 108,783.30, 163,170.86 and 29,895.48

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Solution

The fourth proportional to 108,783.30, 163,170.86 and 29,895.48 is: 44,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,783.30 : 163,170.86 = 29,895.48 : x
  2. Step 2: Convert to fraction form
    108,783.30/163,170.86 = 29,895.48/x
  3. Step 3: Cross multiply
    108,783.30x = 163,170.86 × 29,895.48
  4. Step 4: Simplify right side
    108,783.30x = 4,878,071,032.24
  5. Step 5: Solve for x
    x = 4,878,071,032.24/108,783.30
  6. Step 6: Final answer
    x = 44,842.09

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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.