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Finding the Fourth Proportional to 108,996.16, 163,501.16 and 29,032.80

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Solution

The fourth proportional to 108,996.16, 163,501.16 and 29,032.80 is: 43,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,996.16 : 163,501.16 = 29,032.80 : x
  2. Step 2: Convert to fraction form
    108,996.16/163,501.16 = 29,032.80/x
  3. Step 3: Cross multiply
    108,996.16x = 163,501.16 × 29,032.80
  4. Step 4: Simplify right side
    108,996.16x = 4,746,896,478.05
  5. Step 5: Solve for x
    x = 4,746,896,478.05/108,996.16
  6. Step 6: Final answer
    x = 43,551.04

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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.