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Finding the Fourth Proportional to 123,492.48, 185,238.63 and 29,998.14

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Solution

The fourth proportional to 123,492.48, 185,238.63 and 29,998.14 is: 44,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,492.48 : 185,238.63 = 29,998.14 : x
  2. Step 2: Convert to fraction form
    123,492.48/185,238.63 = 29,998.14/x
  3. Step 3: Cross multiply
    123,492.48x = 185,238.63 × 29,998.14
  4. Step 4: Simplify right side
    123,492.48x = 5,556,814,356.15
  5. Step 5: Solve for x
    x = 5,556,814,356.15/123,492.48
  6. Step 6: Final answer
    x = 44,997.19

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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.