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Finding the Fourth Proportional to 181,894.68, 272,759.40 and 76,656.24

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Solution

The fourth proportional to 181,894.68, 272,759.40 and 76,656.24 is: 114,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,894.68 : 272,759.40 = 76,656.24 : x
  2. Step 2: Convert to fraction form
    181,894.68/272,759.40 = 76,656.24/x
  3. Step 3: Cross multiply
    181,894.68x = 272,759.40 × 76,656.24
  4. Step 4: Simplify right side
    181,894.68x = 20,908,710,028.66
  5. Step 5: Solve for x
    x = 20,908,710,028.66/181,894.68
  6. Step 6: Final answer
    x = 114,949.54

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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.