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Finding the Fourth Proportional to 108,437.99, 149,644.93 and 60,700.56

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Solution

The fourth proportional to 108,437.99, 149,644.93 and 60,700.56 is: 83,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,437.99 : 149,644.93 = 60,700.56 : x
  2. Step 2: Convert to fraction form
    108,437.99/149,644.93 = 60,700.56/x
  3. Step 3: Cross multiply
    108,437.99x = 149,644.93 × 60,700.56
  4. Step 4: Simplify right side
    108,437.99x = 9,083,531,203.91
  5. Step 5: Solve for x
    x = 9,083,531,203.91/108,437.99
  6. Step 6: Final answer
    x = 83,767.06

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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.