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Finding the Fourth Proportional to 351,488.77, 526,527.16 and 161,685.19

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Solution

The fourth proportional to 351,488.77, 526,527.16 and 161,685.19 is: 242,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,488.77 : 526,527.16 = 161,685.19 : x
  2. Step 2: Convert to fraction form
    351,488.77/526,527.16 = 161,685.19/x
  3. Step 3: Cross multiply
    351,488.77x = 526,527.16 × 161,685.19
  4. Step 4: Simplify right side
    351,488.77x = 85,131,643,132.59
  5. Step 5: Solve for x
    x = 85,131,643,132.59/351,488.77
  6. Step 6: Final answer
    x = 242,203.03

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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.