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Finding the Fourth Proportional to 108,983.88, 150,404.45 and 61,237.22

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Solution

The fourth proportional to 108,983.88, 150,404.45 and 61,237.22 is: 84,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,983.88 : 150,404.45 = 61,237.22 : x
  2. Step 2: Convert to fraction form
    108,983.88/150,404.45 = 61,237.22/x
  3. Step 3: Cross multiply
    108,983.88x = 150,404.45 × 61,237.22
  4. Step 4: Simplify right side
    108,983.88x = 9,210,349,335.42
  5. Step 5: Solve for x
    x = 9,210,349,335.42/108,983.88
  6. Step 6: Final answer
    x = 84,511.12

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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.