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Finding the Fourth Proportional to 89,773.06, 123,888.36 and 49,486.54

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Solution

The fourth proportional to 89,773.06, 123,888.36 and 49,486.54 is: 68,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,773.06 : 123,888.36 = 49,486.54 : x
  2. Step 2: Convert to fraction form
    89,773.06/123,888.36 = 49,486.54/x
  3. Step 3: Cross multiply
    89,773.06x = 123,888.36 × 49,486.54
  4. Step 4: Simplify right side
    89,773.06x = 6,130,806,282.67
  5. Step 5: Solve for x
    x = 6,130,806,282.67/89,773.06
  6. Step 6: Final answer
    x = 68,292.27

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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.