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Finding the Fourth Proportional to 248,461.46, 372,221.97 and 146,955.50

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Solution

The fourth proportional to 248,461.46, 372,221.97 and 146,955.50 is: 220,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,461.46 : 372,221.97 = 146,955.50 : x
  2. Step 2: Convert to fraction form
    248,461.46/372,221.97 = 146,955.50/x
  3. Step 3: Cross multiply
    248,461.46x = 372,221.97 × 146,955.50
  4. Step 4: Simplify right side
    248,461.46x = 54,700,065,712.34
  5. Step 5: Solve for x
    x = 54,700,065,712.34/248,461.46
  6. Step 6: Final answer
    x = 220,155.13

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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.