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Finding the Fourth Proportional to 264,702.39, 397,127.70 and 107,041.56

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Solution

The fourth proportional to 264,702.39, 397,127.70 and 107,041.56 is: 160,592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,702.39 : 397,127.70 = 107,041.56 : x
  2. Step 2: Convert to fraction form
    264,702.39/397,127.70 = 107,041.56/x
  3. Step 3: Cross multiply
    264,702.39x = 397,127.70 × 107,041.56
  4. Step 4: Simplify right side
    264,702.39x = 42,509,168,527.21
  5. Step 5: Solve for x
    x = 42,509,168,527.21/264,702.39
  6. Step 6: Final answer
    x = 160,592.31

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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.