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Finding the Fourth Proportional to 277,421.88, 416,097.75 and 87,901.47

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Solution

The fourth proportional to 277,421.88, 416,097.75 and 87,901.47 is: 131,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,421.88 : 416,097.75 = 87,901.47 : x
  2. Step 2: Convert to fraction form
    277,421.88/416,097.75 = 87,901.47/x
  3. Step 3: Cross multiply
    277,421.88x = 416,097.75 × 87,901.47
  4. Step 4: Simplify right side
    277,421.88x = 36,575,603,888.69
  5. Step 5: Solve for x
    x = 36,575,603,888.69/277,421.88
  6. Step 6: Final answer
    x = 131,841.09

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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.