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Finding the Fourth Proportional to 201,307.52, 302,521.92 and 187,979.96

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Solution

The fourth proportional to 201,307.52, 302,521.92 and 187,979.96 is: 282,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,307.52 : 302,521.92 = 187,979.96 : x
  2. Step 2: Convert to fraction form
    201,307.52/302,521.92 = 187,979.96/x
  3. Step 3: Cross multiply
    201,307.52x = 302,521.92 × 187,979.96
  4. Step 4: Simplify right side
    201,307.52x = 56,868,058,420.72
  5. Step 5: Solve for x
    x = 56,868,058,420.72/201,307.52
  6. Step 6: Final answer
    x = 282,493.46

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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.