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Finding the Fourth Proportional to 375,823.75, 563,675.62 and 109,521.98

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Solution

The fourth proportional to 375,823.75, 563,675.62 and 109,521.98 is: 164,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,823.75 : 563,675.62 = 109,521.98 : x
  2. Step 2: Convert to fraction form
    375,823.75/563,675.62 = 109,521.98/x
  3. Step 3: Cross multiply
    375,823.75x = 563,675.62 × 109,521.98
  4. Step 4: Simplify right side
    375,823.75x = 61,734,867,621.74
  5. Step 5: Solve for x
    x = 61,734,867,621.74/375,823.75
  6. Step 6: Final answer
    x = 164,265.48

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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.