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Finding the Fourth Proportional to 200,985.39, 277,358.67 and 110,342.88

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Solution

The fourth proportional to 200,985.39, 277,358.67 and 110,342.88 is: 152,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,985.39 : 277,358.67 = 110,342.88 : x
  2. Step 2: Convert to fraction form
    200,985.39/277,358.67 = 110,342.88/x
  3. Step 3: Cross multiply
    200,985.39x = 277,358.67 × 110,342.88
  4. Step 4: Simplify right side
    200,985.39x = 30,604,554,440.77
  5. Step 5: Solve for x
    x = 30,604,554,440.77/200,985.39
  6. Step 6: Final answer
    x = 152,272.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.