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Finding the Fourth Proportional to 116,359.69, 160,593.75 and 71,063.74

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Solution

The fourth proportional to 116,359.69, 160,593.75 and 71,063.74 is: 98,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,359.69 : 160,593.75 = 71,063.74 : x
  2. Step 2: Convert to fraction form
    116,359.69/160,593.75 = 71,063.74/x
  3. Step 3: Cross multiply
    116,359.69x = 160,593.75 × 71,063.74
  4. Step 4: Simplify right side
    116,359.69x = 11,412,392,495.63
  5. Step 5: Solve for x
    x = 11,412,392,495.63/116,359.69
  6. Step 6: Final answer
    x = 98,078.57

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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.