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Finding the Fourth Proportional to 69,277.68, 95,602.68 and 54,185.76

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Solution

The fourth proportional to 69,277.68, 95,602.68 and 54,185.76 is: 74,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,277.68 : 95,602.68 = 54,185.76 : x
  2. Step 2: Convert to fraction form
    69,277.68/95,602.68 = 54,185.76/x
  3. Step 3: Cross multiply
    69,277.68x = 95,602.68 × 54,185.76
  4. Step 4: Simplify right side
    69,277.68x = 5,180,303,873.84
  5. Step 5: Solve for x
    x = 5,180,303,873.84/69,277.68
  6. Step 6: Final answer
    x = 74,775.94

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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.