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Finding the Fourth Proportional to 354,790.55, 532,185.80 and 130,066.04

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Solution

The fourth proportional to 354,790.55, 532,185.80 and 130,066.04 is: 195,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,790.55 : 532,185.80 = 130,066.04 : x
  2. Step 2: Convert to fraction form
    354,790.55/532,185.80 = 130,066.04/x
  3. Step 3: Cross multiply
    354,790.55x = 532,185.80 × 130,066.04
  4. Step 4: Simplify right side
    354,790.55x = 69,219,300,230.37
  5. Step 5: Solve for x
    x = 69,219,300,230.37/354,790.55
  6. Step 6: Final answer
    x = 195,099.05

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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.