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Finding the Fourth Proportional to 96,699.76, 133,495.77 and 75,141.34

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Solution

The fourth proportional to 96,699.76, 133,495.77 and 75,141.34 is: 103,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,699.76 : 133,495.77 = 75,141.34 : x
  2. Step 2: Convert to fraction form
    96,699.76/133,495.77 = 75,141.34/x
  3. Step 3: Cross multiply
    96,699.76x = 133,495.77 × 75,141.34
  4. Step 4: Simplify right side
    96,699.76x = 10,031,051,042.13
  5. Step 5: Solve for x
    x = 10,031,051,042.13/96,699.76
  6. Step 6: Final answer
    x = 103,733.98

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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.