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Finding the Fourth Proportional to 97,483.24, 134,517.54 and 77,388.76

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Solution

The fourth proportional to 97,483.24, 134,517.54 and 77,388.76 is: 106,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,483.24 : 134,517.54 = 77,388.76 : x
  2. Step 2: Convert to fraction form
    97,483.24/134,517.54 = 77,388.76/x
  3. Step 3: Cross multiply
    97,483.24x = 134,517.54 × 77,388.76
  4. Step 4: Simplify right side
    97,483.24x = 10,410,145,618.85
  5. Step 5: Solve for x
    x = 10,410,145,618.85/97,483.24
  6. Step 6: Final answer
    x = 106,789.08

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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.