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Finding the Fourth Proportional to 118,010.80, 176,991.60 and 43,166.20

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Solution

The fourth proportional to 118,010.80, 176,991.60 and 43,166.20 is: 64,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,010.80 : 176,991.60 = 43,166.20 : x
  2. Step 2: Convert to fraction form
    118,010.80/176,991.60 = 43,166.20/x
  3. Step 3: Cross multiply
    118,010.80x = 176,991.60 × 43,166.20
  4. Step 4: Simplify right side
    118,010.80x = 7,640,054,803.92
  5. Step 5: Solve for x
    x = 7,640,054,803.92/118,010.80
  6. Step 6: Final answer
    x = 64,740.30

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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.