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Finding the Fourth Proportional to 86,647.68, 119,573.82 and 46,903.68

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Solution

The fourth proportional to 86,647.68, 119,573.82 and 46,903.68 is: 64,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,647.68 : 119,573.82 = 46,903.68 : x
  2. Step 2: Convert to fraction form
    86,647.68/119,573.82 = 46,903.68/x
  3. Step 3: Cross multiply
    86,647.68x = 119,573.82 × 46,903.68
  4. Step 4: Simplify right side
    86,647.68x = 5,608,452,189.66
  5. Step 5: Solve for x
    x = 5,608,452,189.66/86,647.68
  6. Step 6: Final answer
    x = 64,727.09

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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.