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Finding the Fourth Proportional to 366,754.42, 550,139.31 and 117,435.70

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Solution

The fourth proportional to 366,754.42, 550,139.31 and 117,435.70 is: 176,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,754.42 : 550,139.31 = 117,435.70 : x
  2. Step 2: Convert to fraction form
    366,754.42/550,139.31 = 117,435.70/x
  3. Step 3: Cross multiply
    366,754.42x = 550,139.31 × 117,435.70
  4. Step 4: Simplify right side
    366,754.42x = 64,605,994,967.37
  5. Step 5: Solve for x
    x = 64,605,994,967.37/366,754.42
  6. Step 6: Final answer
    x = 176,156.01

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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.