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Finding the Fourth Proportional to 175,137.57, 241,690.11 and 99,686.07

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Solution

The fourth proportional to 175,137.57, 241,690.11 and 99,686.07 is: 137,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,137.57 : 241,690.11 = 99,686.07 : x
  2. Step 2: Convert to fraction form
    175,137.57/241,690.11 = 99,686.07/x
  3. Step 3: Cross multiply
    175,137.57x = 241,690.11 × 99,686.07
  4. Step 4: Simplify right side
    175,137.57x = 24,093,137,223.77
  5. Step 5: Solve for x
    x = 24,093,137,223.77/175,137.57
  6. Step 6: Final answer
    x = 137,566.93

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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.