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Finding the Fourth Proportional to 116,358, 160,575.04 and 65,371.74

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Solution

The fourth proportional to 116,358, 160,575.04 and 65,371.74 is: 90,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,358 : 160,575.04 = 65,371.74 : x
  2. Step 2: Convert to fraction form
    116,358/160,575.04 = 65,371.74/x
  3. Step 3: Cross multiply
    116,358x = 160,575.04 × 65,371.74
  4. Step 4: Simplify right side
    116,358x = 10,497,069,765.37
  5. Step 5: Solve for x
    x = 10,497,069,765.37/116,358
  6. Step 6: Final answer
    x = 90,213.56

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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.