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Finding the Fourth Proportional to 537,043.77, 805,566.70 and 137,685.96

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Solution

The fourth proportional to 537,043.77, 805,566.70 and 137,685.96 is: 206,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,043.77 : 805,566.70 = 137,685.96 : x
  2. Step 2: Convert to fraction form
    537,043.77/805,566.70 = 137,685.96/x
  3. Step 3: Cross multiply
    537,043.77x = 805,566.70 × 137,685.96
  4. Step 4: Simplify right side
    537,043.77x = 110,915,224,605.64
  5. Step 5: Solve for x
    x = 110,915,224,605.64/537,043.77
  6. Step 6: Final answer
    x = 206,529.21

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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.