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Finding the Fourth Proportional to 237,166.17, 355,796.88 and 87,407.25

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Solution

The fourth proportional to 237,166.17, 355,796.88 and 87,407.25 is: 131,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,166.17 : 355,796.88 = 87,407.25 : x
  2. Step 2: Convert to fraction form
    237,166.17/355,796.88 = 87,407.25/x
  3. Step 3: Cross multiply
    237,166.17x = 355,796.88 × 87,407.25
  4. Step 4: Simplify right side
    237,166.17x = 31,099,225,060.40
  5. Step 5: Solve for x
    x = 31,099,225,060.40/237,166.17
  6. Step 6: Final answer
    x = 131,128.42

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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.