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Finding the Fourth Proportional to 248,859.84, 373,151.12 and 147,698.96

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Solution

The fourth proportional to 248,859.84, 373,151.12 and 147,698.96 is: 221,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,859.84 : 373,151.12 = 147,698.96 : x
  2. Step 2: Convert to fraction form
    248,859.84/373,151.12 = 147,698.96/x
  3. Step 3: Cross multiply
    248,859.84x = 373,151.12 × 147,698.96
  4. Step 4: Simplify right side
    248,859.84x = 55,114,032,346.84
  5. Step 5: Solve for x
    x = 55,114,032,346.84/248,859.84
  6. Step 6: Final answer
    x = 221,466.16

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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.