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Finding the Fourth Proportional to 375,681, 563,554.32 and 95,198.25

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Solution

The fourth proportional to 375,681, 563,554.32 and 95,198.25 is: 142,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,681 : 563,554.32 = 95,198.25 : x
  2. Step 2: Convert to fraction form
    375,681/563,554.32 = 95,198.25/x
  3. Step 3: Cross multiply
    375,681x = 563,554.32 × 95,198.25
  4. Step 4: Simplify right side
    375,681x = 53,649,385,043.94
  5. Step 5: Solve for x
    x = 53,649,385,043.94/375,681
  6. Step 6: Final answer
    x = 142,805.69

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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.