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Finding the Fourth Proportional to 88,003.40, 123,515.80 and 88,003.40

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Solution

The fourth proportional to 88,003.40, 123,515.80 and 88,003.40 is: 123,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,003.40 : 123,515.80 = 88,003.40 : x
  2. Step 2: Convert to fraction form
    88,003.40/123,515.80 = 88,003.40/x
  3. Step 3: Cross multiply
    88,003.40x = 123,515.80 × 88,003.40
  4. Step 4: Simplify right side
    88,003.40x = 10,869,810,353.72
  5. Step 5: Solve for x
    x = 10,869,810,353.72/88,003.40
  6. Step 6: Final answer
    x = 123,515.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.