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Finding the Fourth Proportional to 536,035.64, 804,075.32 and 136,686.76

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Solution

The fourth proportional to 536,035.64, 804,075.32 and 136,686.76 is: 205,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,035.64 : 804,075.32 = 136,686.76 : x
  2. Step 2: Convert to fraction form
    536,035.64/804,075.32 = 136,686.76/x
  3. Step 3: Cross multiply
    536,035.64x = 804,075.32 × 136,686.76
  4. Step 4: Simplify right side
    536,035.64x = 109,906,450,286.76
  5. Step 5: Solve for x
    x = 109,906,450,286.76/536,035.64
  6. Step 6: Final answer
    x = 205,035.71

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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.