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Finding the Fourth Proportional to 250,678.83, 345,880.82 and 148,652.45

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Solution

The fourth proportional to 250,678.83, 345,880.82 and 148,652.45 is: 205,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,678.83 : 345,880.82 = 148,652.45 : x
  2. Step 2: Convert to fraction form
    250,678.83/345,880.82 = 148,652.45/x
  3. Step 3: Cross multiply
    250,678.83x = 345,880.82 × 148,652.45
  4. Step 4: Simplify right side
    250,678.83x = 51,416,028,828.34
  5. Step 5: Solve for x
    x = 51,416,028,828.34/250,678.83
  6. Step 6: Final answer
    x = 205,107.18

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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.