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Finding the Fourth Proportional to 248,129.10, 372,193.65 and 159,555.60

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Solution

The fourth proportional to 248,129.10, 372,193.65 and 159,555.60 is: 239,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,129.10 : 372,193.65 = 159,555.60 : x
  2. Step 2: Convert to fraction form
    248,129.10/372,193.65 = 159,555.60/x
  3. Step 3: Cross multiply
    248,129.10x = 372,193.65 × 159,555.60
  4. Step 4: Simplify right side
    248,129.10x = 59,385,581,141.94
  5. Step 5: Solve for x
    x = 59,385,581,141.94/248,129.10
  6. Step 6: Final answer
    x = 239,333.40

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1.5x scale

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.