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Finding the Fourth Proportional to 118,124.40, 177,154.20 and 48,010.80

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Solution

The fourth proportional to 118,124.40, 177,154.20 and 48,010.80 is: 72,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,124.40 : 177,154.20 = 48,010.80 : x
  2. Step 2: Convert to fraction form
    118,124.40/177,154.20 = 48,010.80/x
  3. Step 3: Cross multiply
    118,124.40x = 177,154.20 × 48,010.80
  4. Step 4: Simplify right side
    118,124.40x = 8,505,314,865.36
  5. Step 5: Solve for x
    x = 8,505,314,865.36/118,124.40
  6. Step 6: Final answer
    x = 72,003.03

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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.