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Finding the Fourth Proportional to 537,125.25, 805,688.07 and 137,766.03

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Solution

The fourth proportional to 537,125.25, 805,688.07 and 137,766.03 is: 206,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,125.25 : 805,688.07 = 137,766.03 : x
  2. Step 2: Convert to fraction form
    537,125.25/805,688.07 = 137,766.03/x
  3. Step 3: Cross multiply
    537,125.25x = 805,688.07 × 137,766.03
  4. Step 4: Simplify right side
    537,125.25x = 110,996,446,822.26
  5. Step 5: Solve for x
    x = 110,996,446,822.26/537,125.25
  6. Step 6: Final answer
    x = 206,649.10

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Similar ratio
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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.