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Finding the Fourth Proportional to 118,220.30, 177,330.45 and 35,114.30

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Solution

The fourth proportional to 118,220.30, 177,330.45 and 35,114.30 is: 52,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,220.30 : 177,330.45 = 35,114.30 : x
  2. Step 2: Convert to fraction form
    118,220.30/177,330.45 = 35,114.30/x
  3. Step 3: Cross multiply
    118,220.30x = 177,330.45 × 35,114.30
  4. Step 4: Simplify right side
    118,220.30x = 6,226,834,620.44
  5. Step 5: Solve for x
    x = 6,226,834,620.44/118,220.30
  6. Step 6: Final answer
    x = 52,671.45

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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.