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Finding the Fourth Proportional to 259,989.46, 358,787.86 and 152,561.32

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Solution

The fourth proportional to 259,989.46, 358,787.86 and 152,561.32 is: 210,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,989.46 : 358,787.86 = 152,561.32 : x
  2. Step 2: Convert to fraction form
    259,989.46/358,787.86 = 152,561.32/x
  3. Step 3: Cross multiply
    259,989.46x = 358,787.86 × 152,561.32
  4. Step 4: Simplify right side
    259,989.46x = 54,737,149,521.58
  5. Step 5: Solve for x
    x = 54,737,149,521.58/259,989.46
  6. Step 6: Final answer
    x = 210,536.03

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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.