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Finding the Fourth Proportional to 79,474.68, 119,242.59 and 35,070.06

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Solution

The fourth proportional to 79,474.68, 119,242.59 and 35,070.06 is: 52,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,474.68 : 119,242.59 = 35,070.06 : x
  2. Step 2: Convert to fraction form
    79,474.68/119,242.59 = 35,070.06/x
  3. Step 3: Cross multiply
    79,474.68x = 119,242.59 × 35,070.06
  4. Step 4: Simplify right side
    79,474.68x = 4,181,844,785.86
  5. Step 5: Solve for x
    x = 4,181,844,785.86/79,474.68
  6. Step 6: Final answer
    x = 52,618.58

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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.