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Finding the Fourth Proportional to 272,073.60, 375,467.94 and 151,219.98

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Solution

The fourth proportional to 272,073.60, 375,467.94 and 151,219.98 is: 208,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,073.60 : 375,467.94 = 151,219.98 : x
  2. Step 2: Convert to fraction form
    272,073.60/375,467.94 = 151,219.98/x
  3. Step 3: Cross multiply
    272,073.60x = 375,467.94 × 151,219.98
  4. Step 4: Simplify right side
    272,073.60x = 56,778,254,377.44
  5. Step 5: Solve for x
    x = 56,778,254,377.44/272,073.60
  6. Step 6: Final answer
    x = 208,687.11

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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.