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Finding the Fourth Proportional to 118,232.40, 177,348.60 and 111,817.20

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Solution

The fourth proportional to 118,232.40, 177,348.60 and 111,817.20 is: 167,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,232.40 : 177,348.60 = 111,817.20 : x
  2. Step 2: Convert to fraction form
    118,232.40/177,348.60 = 111,817.20/x
  3. Step 3: Cross multiply
    118,232.40x = 177,348.60 × 111,817.20
  4. Step 4: Simplify right side
    118,232.40x = 19,830,623,875.92
  5. Step 5: Solve for x
    x = 19,830,623,875.92/118,232.40
  6. Step 6: Final answer
    x = 167,725.80

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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.