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Finding the Fourth Proportional to 174,653.80, 261,980.70 and 48,293.80

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Solution

The fourth proportional to 174,653.80, 261,980.70 and 48,293.80 is: 72,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,653.80 : 261,980.70 = 48,293.80 : x
  2. Step 2: Convert to fraction form
    174,653.80/261,980.70 = 48,293.80/x
  3. Step 3: Cross multiply
    174,653.80x = 261,980.70 × 48,293.80
  4. Step 4: Simplify right side
    174,653.80x = 12,652,043,529.66
  5. Step 5: Solve for x
    x = 12,652,043,529.66/174,653.80
  6. Step 6: Final answer
    x = 72,440.70

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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.