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Finding the Fourth Proportional to 108,714.30, 150,032.16 and 60,970.29

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Solution

The fourth proportional to 108,714.30, 150,032.16 and 60,970.29 is: 84,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,714.30 : 150,032.16 = 60,970.29 : x
  2. Step 2: Convert to fraction form
    108,714.30/150,032.16 = 60,970.29/x
  3. Step 3: Cross multiply
    108,714.30x = 150,032.16 × 60,970.29
  4. Step 4: Simplify right side
    108,714.30x = 9,147,504,304.53
  5. Step 5: Solve for x
    x = 9,147,504,304.53/108,714.30
  6. Step 6: Final answer
    x = 84,142.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.