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Finding the Fourth Proportional to 95,200.80, 142,628.40 and 77,575.20

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Solution

The fourth proportional to 95,200.80, 142,628.40 and 77,575.20 is: 116,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,200.80 : 142,628.40 = 77,575.20 : x
  2. Step 2: Convert to fraction form
    95,200.80/142,628.40 = 77,575.20/x
  3. Step 3: Cross multiply
    95,200.80x = 142,628.40 × 77,575.20
  4. Step 4: Simplify right side
    95,200.80x = 11,064,426,655.68
  5. Step 5: Solve for x
    x = 11,064,426,655.68/95,200.80
  6. Step 6: Final answer
    x = 116,221.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.