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Finding the Fourth Proportional to 108,444.56, 149,653.46 and 60,697.91

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Solution

The fourth proportional to 108,444.56, 149,653.46 and 60,697.91 is: 83,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,444.56 : 149,653.46 = 60,697.91 : x
  2. Step 2: Convert to fraction form
    108,444.56/149,653.46 = 60,697.91/x
  3. Step 3: Cross multiply
    108,444.56x = 149,653.46 × 60,697.91
  4. Step 4: Simplify right side
    108,444.56x = 9,083,652,772.15
  5. Step 5: Solve for x
    x = 9,083,652,772.15/108,444.56
  6. Step 6: Final answer
    x = 83,763.11

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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.