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Finding the Fourth Proportional to 132,750.80, 183,221.16 and 76,199.12

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Solution

The fourth proportional to 132,750.80, 183,221.16 and 76,199.12 is: 105,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,750.80 : 183,221.16 = 76,199.12 : x
  2. Step 2: Convert to fraction form
    132,750.80/183,221.16 = 76,199.12/x
  3. Step 3: Cross multiply
    132,750.80x = 183,221.16 × 76,199.12
  4. Step 4: Simplify right side
    132,750.80x = 13,961,291,157.38
  5. Step 5: Solve for x
    x = 13,961,291,157.38/132,750.80
  6. Step 6: Final answer
    x = 105,169.17

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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.