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Finding the Fourth Proportional to 113,732.48, 156,983.68 and 65,996.48

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Solution

The fourth proportional to 113,732.48, 156,983.68 and 65,996.48 is: 91,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,732.48 : 156,983.68 = 65,996.48 : x
  2. Step 2: Convert to fraction form
    113,732.48/156,983.68 = 65,996.48/x
  3. Step 3: Cross multiply
    113,732.48x = 156,983.68 × 65,996.48
  4. Step 4: Simplify right side
    113,732.48x = 10,360,370,297.45
  5. Step 5: Solve for x
    x = 10,360,370,297.45/113,732.48
  6. Step 6: Final answer
    x = 91,094.21

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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.