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Finding the Fourth Proportional to 261,872.58, 361,373.99 and 160,068.50

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Solution

The fourth proportional to 261,872.58, 361,373.99 and 160,068.50 is: 220,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,872.58 : 361,373.99 = 160,068.50 : x
  2. Step 2: Convert to fraction form
    261,872.58/361,373.99 = 160,068.50/x
  3. Step 3: Cross multiply
    261,872.58x = 361,373.99 × 160,068.50
  4. Step 4: Simplify right side
    261,872.58x = 57,844,590,711.45
  5. Step 5: Solve for x
    x = 57,844,590,711.45/261,872.58
  6. Step 6: Final answer
    x = 220,888.31

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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.