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Finding the Fourth Proportional to 123,013.58, 184,478.90 and 47,094.30

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Solution

The fourth proportional to 123,013.58, 184,478.90 and 47,094.30 is: 70,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,013.58 : 184,478.90 = 47,094.30 : x
  2. Step 2: Convert to fraction form
    123,013.58/184,478.90 = 47,094.30/x
  3. Step 3: Cross multiply
    123,013.58x = 184,478.90 × 47,094.30
  4. Step 4: Simplify right side
    123,013.58x = 8,687,904,424.80
  5. Step 5: Solve for x
    x = 8,687,904,424.80/123,013.58
  6. Step 6: Final answer
    x = 70,625.57

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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.