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Finding the Fourth Proportional to 96,636.44, 133,459.65 and 66,499.58

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Solution

The fourth proportional to 96,636.44, 133,459.65 and 66,499.58 is: 91,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,636.44 : 133,459.65 = 66,499.58 : x
  2. Step 2: Convert to fraction form
    96,636.44/133,459.65 = 66,499.58/x
  3. Step 3: Cross multiply
    96,636.44x = 133,459.65 × 66,499.58
  4. Step 4: Simplify right side
    96,636.44x = 8,875,011,005.60
  5. Step 5: Solve for x
    x = 8,875,011,005.60/96,636.44
  6. Step 6: Final answer
    x = 91,839.17

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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.