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Finding the Fourth Proportional to 141,108.67, 211,644.78 and 35,921.26

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Solution

The fourth proportional to 141,108.67, 211,644.78 and 35,921.26 is: 53,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,108.67 : 211,644.78 = 35,921.26 : x
  2. Step 2: Convert to fraction form
    141,108.67/211,644.78 = 35,921.26/x
  3. Step 3: Cross multiply
    141,108.67x = 211,644.78 × 35,921.26
  4. Step 4: Simplify right side
    141,108.67x = 7,602,547,170.02
  5. Step 5: Solve for x
    x = 7,602,547,170.02/141,108.67
  6. Step 6: Final answer
    x = 53,877.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.