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Finding the Fourth Proportional to 200,985.84, 277,373.93 and 132,885.72

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Solution

The fourth proportional to 200,985.84, 277,373.93 and 132,885.72 is: 183,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,985.84 : 277,373.93 = 132,885.72 : x
  2. Step 2: Convert to fraction form
    200,985.84/277,373.93 = 132,885.72/x
  3. Step 3: Cross multiply
    200,985.84x = 277,373.93 × 132,885.72
  4. Step 4: Simplify right side
    200,985.84x = 36,859,033,732.85
  5. Step 5: Solve for x
    x = 36,859,033,732.85/200,985.84
  6. Step 6: Final answer
    x = 183,391.20

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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.