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Finding the Fourth Proportional to 174,297.81, 261,490.56 and 49,638.81

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Solution

The fourth proportional to 174,297.81, 261,490.56 and 49,638.81 is: 74,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,297.81 : 261,490.56 = 49,638.81 : x
  2. Step 2: Convert to fraction form
    174,297.81/261,490.56 = 49,638.81/x
  3. Step 3: Cross multiply
    174,297.81x = 261,490.56 × 49,638.81
  4. Step 4: Simplify right side
    174,297.81x = 12,980,080,224.63
  5. Step 5: Solve for x
    x = 12,980,080,224.63/174,297.81
  6. Step 6: Final answer
    x = 74,470.70

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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.