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Finding the Fourth Proportional to 260,937.74, 391,283.22 and 101,088.54

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Solution

The fourth proportional to 260,937.74, 391,283.22 and 101,088.54 is: 151,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,937.74 : 391,283.22 = 101,088.54 : x
  2. Step 2: Convert to fraction form
    260,937.74/391,283.22 = 101,088.54/x
  3. Step 3: Cross multiply
    260,937.74x = 391,283.22 × 101,088.54
  4. Step 4: Simplify right side
    260,937.74x = 39,554,249,436.30
  5. Step 5: Solve for x
    x = 39,554,249,436.30/260,937.74
  6. Step 6: Final answer
    x = 151,585.01

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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.