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Finding the Fourth Proportional to 181,524.40, 271,703.40 and 129,036.40

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Solution

The fourth proportional to 181,524.40, 271,703.40 and 129,036.40 is: 193,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,524.40 : 271,703.40 = 129,036.40 : x
  2. Step 2: Convert to fraction form
    181,524.40/271,703.40 = 129,036.40/x
  3. Step 3: Cross multiply
    181,524.40x = 271,703.40 × 129,036.40
  4. Step 4: Simplify right side
    181,524.40x = 35,059,628,603.76
  5. Step 5: Solve for x
    x = 35,059,628,603.76/181,524.40
  6. Step 6: Final answer
    x = 193,140.03

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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.