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Finding the Fourth Proportional to 88,000.90, 123,512.30 and 88,000.90

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Solution

The fourth proportional to 88,000.90, 123,512.30 and 88,000.90 is: 123,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.90 : 123,512.30 = 88,000.90 : x
  2. Step 2: Convert to fraction form
    88,000.90/123,512.30 = 88,000.90/x
  3. Step 3: Cross multiply
    88,000.90x = 123,512.30 × 88,000.90
  4. Step 4: Simplify right side
    88,000.90x = 10,869,193,561.07
  5. Step 5: Solve for x
    x = 10,869,193,561.07/88,000.90
  6. Step 6: Final answer
    x = 123,512.30

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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.