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Finding the Fourth Proportional to 123,028.94, 184,543.40 and 70,401.22

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Solution

The fourth proportional to 123,028.94, 184,543.40 and 70,401.22 is: 105,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,028.94 : 184,543.40 = 70,401.22 : x
  2. Step 2: Convert to fraction form
    123,028.94/184,543.40 = 70,401.22/x
  3. Step 3: Cross multiply
    123,028.94x = 184,543.40 × 70,401.22
  4. Step 4: Simplify right side
    123,028.94x = 12,992,080,217.59
  5. Step 5: Solve for x
    x = 12,992,080,217.59/123,028.94
  6. Step 6: Final answer
    x = 105,601.82

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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.