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Finding the Fourth Proportional to 272,451.88, 375,782.52 and 187,596.28

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Solution

The fourth proportional to 272,451.88, 375,782.52 and 187,596.28 is: 258,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,451.88 : 375,782.52 = 187,596.28 : x
  2. Step 2: Convert to fraction form
    272,451.88/375,782.52 = 187,596.28/x
  3. Step 3: Cross multiply
    272,451.88x = 375,782.52 × 187,596.28
  4. Step 4: Simplify right side
    272,451.88x = 70,495,402,841.03
  5. Step 5: Solve for x
    x = 70,495,402,841.03/272,451.88
  6. Step 6: Final answer
    x = 258,744.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.