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Finding the Fourth Proportional to 248,459.90, 372,219.64 and 146,953.94

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Solution

The fourth proportional to 248,459.90, 372,219.64 and 146,953.94 is: 220,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,459.90 : 372,219.64 = 146,953.94 : x
  2. Step 2: Convert to fraction form
    248,459.90/372,219.64 = 146,953.94/x
  3. Step 3: Cross multiply
    248,459.90x = 372,219.64 × 146,953.94
  4. Step 4: Simplify right side
    248,459.90x = 54,699,140,414.90
  5. Step 5: Solve for x
    x = 54,699,140,414.90/248,459.90
  6. Step 6: Final answer
    x = 220,152.80

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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.