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Finding the Fourth Proportional to 277,068.51, 415,001.31 and 170,127.86

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Solution

The fourth proportional to 277,068.51, 415,001.31 and 170,127.86 is: 254,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,068.51 : 415,001.31 = 170,127.86 : x
  2. Step 2: Convert to fraction form
    277,068.51/415,001.31 = 170,127.86/x
  3. Step 3: Cross multiply
    277,068.51x = 415,001.31 × 170,127.86
  4. Step 4: Simplify right side
    277,068.51x = 70,603,282,692.49
  5. Step 5: Solve for x
    x = 70,603,282,692.49/277,068.51
  6. Step 6: Final answer
    x = 254,822.47

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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.