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Finding the Fourth Proportional to 375,726, 563,621.81 and 95,243.25

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Solution

The fourth proportional to 375,726, 563,621.81 and 95,243.25 is: 142,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,726 : 563,621.81 = 95,243.25 : x
  2. Step 2: Convert to fraction form
    375,726/563,621.81 = 95,243.25/x
  3. Step 3: Cross multiply
    375,726x = 563,621.81 × 95,243.25
  4. Step 4: Simplify right side
    375,726x = 53,681,172,479.07
  5. Step 5: Solve for x
    x = 53,681,172,479.07/375,726
  6. Step 6: Final answer
    x = 142,873.19

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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.