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Finding the Fourth Proportional to 183,079.36, 274,648.65 and 56,689.89

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Solution

The fourth proportional to 183,079.36, 274,648.65 and 56,689.89 is: 85,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,079.36 : 274,648.65 = 56,689.89 : x
  2. Step 2: Convert to fraction form
    183,079.36/274,648.65 = 56,689.89/x
  3. Step 3: Cross multiply
    183,079.36x = 274,648.65 × 56,689.89
  4. Step 4: Simplify right side
    183,079.36x = 15,569,801,473.70
  5. Step 5: Solve for x
    x = 15,569,801,473.70/183,079.36
  6. Step 6: Final answer
    x = 85,044.00

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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.