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Finding the Fourth Proportional to 123,610.70, 185,416.05 and 61,402.70

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Solution

The fourth proportional to 123,610.70, 185,416.05 and 61,402.70 is: 92,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610.70 : 185,416.05 = 61,402.70 : x
  2. Step 2: Convert to fraction form
    123,610.70/185,416.05 = 61,402.70/x
  3. Step 3: Cross multiply
    123,610.70x = 185,416.05 × 61,402.70
  4. Step 4: Simplify right side
    123,610.70x = 11,385,046,093.34
  5. Step 5: Solve for x
    x = 11,385,046,093.34/123,610.70
  6. Step 6: Final answer
    x = 92,104.05

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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.