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Finding the Fourth Proportional to 271,897.95, 375,218.97 and 151,050.51

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Solution

The fourth proportional to 271,897.95, 375,218.97 and 151,050.51 is: 208,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,897.95 : 375,218.97 = 151,050.51 : x
  2. Step 2: Convert to fraction form
    271,897.95/375,218.97 = 151,050.51/x
  3. Step 3: Cross multiply
    271,897.95x = 375,218.97 × 151,050.51
  4. Step 4: Simplify right side
    271,897.95x = 56,677,016,780.17
  5. Step 5: Solve for x
    x = 56,677,016,780.17/271,897.95
  6. Step 6: Final answer
    x = 208,449.59

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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.