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Finding the Fourth Proportional to 229,995, 344,992.50 and 63,783

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Solution

The fourth proportional to 229,995, 344,992.50 and 63,783 is: 95,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,995 : 344,992.50 = 63,783 : x
  2. Step 2: Convert to fraction form
    229,995/344,992.50 = 63,783/x
  3. Step 3: Cross multiply
    229,995x = 344,992.50 × 63,783
  4. Step 4: Simplify right side
    229,995x = 22,004,656,627.50
  5. Step 5: Solve for x
    x = 22,004,656,627.50/229,995
  6. Step 6: Final answer
    x = 95,674.50

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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.