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Finding the Fourth Proportional to 117,307.58, 161,885.28 and 63,593.44

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Solution

The fourth proportional to 117,307.58, 161,885.28 and 63,593.44 is: 87,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,307.58 : 161,885.28 = 63,593.44 : x
  2. Step 2: Convert to fraction form
    117,307.58/161,885.28 = 63,593.44/x
  3. Step 3: Cross multiply
    117,307.58x = 161,885.28 × 63,593.44
  4. Step 4: Simplify right side
    117,307.58x = 10,294,841,674.33
  5. Step 5: Solve for x
    x = 10,294,841,674.33/117,307.58
  6. Step 6: Final answer
    x = 87,759.39

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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.