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Finding the Fourth Proportional to 108,043.78, 149,092.23 and 62,714.45

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Solution

The fourth proportional to 108,043.78, 149,092.23 and 62,714.45 is: 86,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,043.78 : 149,092.23 = 62,714.45 : x
  2. Step 2: Convert to fraction form
    108,043.78/149,092.23 = 62,714.45/x
  3. Step 3: Cross multiply
    108,043.78x = 149,092.23 × 62,714.45
  4. Step 4: Simplify right side
    108,043.78x = 9,350,236,779.97
  5. Step 5: Solve for x
    x = 9,350,236,779.97/108,043.78
  6. Step 6: Final answer
    x = 86,541.19

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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.