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Finding the Fourth Proportional to 123,543.74, 185,315.88 and 44,657.84

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Solution

The fourth proportional to 123,543.74, 185,315.88 and 44,657.84 is: 66,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,543.74 : 185,315.88 = 44,657.84 : x
  2. Step 2: Convert to fraction form
    123,543.74/185,315.88 = 44,657.84/x
  3. Step 3: Cross multiply
    123,543.74x = 185,315.88 × 44,657.84
  4. Step 4: Simplify right side
    123,543.74x = 8,275,806,918.50
  5. Step 5: Solve for x
    x = 8,275,806,918.50/123,543.74
  6. Step 6: Final answer
    x = 66,986.86

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1.5x scale

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.