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Finding the Fourth Proportional to 372,807.62, 559,075.32 and 136,080.26

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Solution

The fourth proportional to 372,807.62, 559,075.32 and 136,080.26 is: 204,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,807.62 : 559,075.32 = 136,080.26 : x
  2. Step 2: Convert to fraction form
    372,807.62/559,075.32 = 136,080.26/x
  3. Step 3: Cross multiply
    372,807.62x = 559,075.32 × 136,080.26
  4. Step 4: Simplify right side
    372,807.62x = 76,079,114,905.18
  5. Step 5: Solve for x
    x = 76,079,114,905.18/372,807.62
  6. Step 6: Final answer
    x = 204,070.71

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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.