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Finding the Fourth Proportional to 183,145.60, 274,632.52 and 70,878.84

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Solution

The fourth proportional to 183,145.60, 274,632.52 and 70,878.84 is: 106,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,145.60 : 274,632.52 = 70,878.84 : x
  2. Step 2: Convert to fraction form
    183,145.60/274,632.52 = 70,878.84/x
  3. Step 3: Cross multiply
    183,145.60x = 274,632.52 × 70,878.84
  4. Step 4: Simplify right side
    183,145.60x = 19,465,634,443.88
  5. Step 5: Solve for x
    x = 19,465,634,443.88/183,145.60
  6. Step 6: Final answer
    x = 106,285.02

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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.