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Finding the Fourth Proportional to 536,752.53, 805,128.26 and 137,392.67

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Solution

The fourth proportional to 536,752.53, 805,128.26 and 137,392.67 is: 206,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,752.53 : 805,128.26 = 137,392.67 : x
  2. Step 2: Convert to fraction form
    536,752.53/805,128.26 = 137,392.67/x
  3. Step 3: Cross multiply
    536,752.53x = 805,128.26 × 137,392.67
  4. Step 4: Simplify right side
    536,752.53x = 110,618,716,621.25
  5. Step 5: Solve for x
    x = 110,618,716,621.25/536,752.53
  6. Step 6: Final answer
    x = 206,088.86

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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.